{"title":"JACK Leather","description":"\u003cp\u003eJACK builds one of the most trusted flat-bed machines on any shop floor. Fewer people know what the brand does in leather. These five are the walking-foot and compound-feed machines built for leather, canvas, vinyl and webbing, from the H2 as an entry point up to the Z7 with its thickness sensor and dual needle bar.\u003c\/p\u003e","products":[{"product_id":"jack-2060ghc-4q","title":"JACK 2060GHC-4Q Single Needle Direct Drive Automatic Compound Walking Foot Sewing Machine Assembled with Table and Stand Included","description":"\u003cp\u003eThe JACK 2060GHC-4Q is a single-needle direct drive automatic compound walking foot industrial sewing machine assembled with table and stand. This complete setup includes the machine, integrated 850W direct drive motor, industrial table, and stand — ready to run straight out of the box. Equipped with a triple transport system — lower feed dog, upper walking foot, and needle feed — it delivers perfect layer synchronization on leather, upholstery, and thick multi-layer materials.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJACK 2060GHC-4Q compound walking foot machine\u003c\/li\u003e\n\u003cli\u003eIntegrated 850W direct drive energy-saving motor\u003c\/li\u003e\n\u003cli\u003eIndustrial sewing table and stand\u003c\/li\u003e\n\u003cli\u003eWalking foot and standard presser feet\u003c\/li\u003e\n\u003cli\u003eNeedle set and accessories\u003c\/li\u003e\n\u003cli\u003eOperator's manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTriple transport system — lower feed dog, upper walking foot, and needle feed move simultaneously for perfect material control\u003c\/li\u003e\n\u003cli\u003eCompound unison feed prevents layer slippage on thick, heavy, and multi-layer materials\u003c\/li\u003e\n\u003cli\u003ePowerful 850W direct drive motor integrated into the machine head for quiet, energy-efficient operation\u003c\/li\u003e\n\u003cli\u003eAutomatic compound feed ensures even, consistent advancement of all material layers\u003c\/li\u003e\n\u003cli\u003eSingle-needle lockstitch for clean, precise seaming on leather, upholstery, and technical fabrics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLeather goods manufacturing including bags, belts, and furniture upholstery\u003c\/li\u003e\n\u003cli\u003eAutomotive and marine upholstery workshops\u003c\/li\u003e\n\u003cli\u003eHeavy canvas, webbing, and multi-layer technical fabric production\u003c\/li\u003e\n\u003cli\u003eIndustrial sewing operations requiring controlled feeding on thick or difficult materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeedle System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDPx17, Size #16–#21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e850W Integrated Direct Drive Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-needle lockstitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeed System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompound triple feed (needle, walking foot, feed dog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty compound walking foot lockstitch machine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"JACK","offers":[{"title":"Default Title","offer_id":47901398139182,"sku":"2060GHC-4Q","price":2294.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/JK-2060-f2.jpg?v=1707074517"},{"product_id":"h2-z-cz","title":"JACK® H2 Single Needle Top \u0026 Bottom Feed Walking Foot Machine – Complete Setup, Table \u0026 Stand Included","description":"\u003cp\u003eThe JACK® H2-Z-CZ is an industrial single-needle top and bottom feed walking foot lockstitch machine designed for sewing medium to heavy-weight materials including upholstery, leather, canvas, vinyl, and automotive interiors. Its synchronized walking foot system moves fabric from both above and below simultaneously, preventing layer shifting and puckering that standard drop feed machines cannot control. Powered by a 750W direct drive servo motor, this complete setup comes assembled with industrial table and stand, ready for production use.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJACK H2-Z-CZ machine head\u003c\/li\u003e\n\u003cli\u003eHeavy-duty industrial sewing table\u003c\/li\u003e\n\u003cli\u003eIndustrial stand with motor mount\u003c\/li\u003e\n\u003cli\u003e750W direct drive servo motor\u003c\/li\u003e\n\u003cli\u003eLED work lamp\u003c\/li\u003e\n\u003cli\u003eStandard accessories kit (needles, bobbins, presser foot, tools)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTop and bottom feed walking foot system — upper walking foot and lower feed dog move in sync for consistent stitch length on layered and difficult materials\u003c\/li\u003e\n\u003cli\u003e16mm knee-lift presser foot — allows hands-free positioning and fabric loading without stopping the machine\u003c\/li\u003e\n\u003cli\u003eDPx17 needle system (#18–#23) — designed for heavy thread and dense materials including leather and canvas\u003c\/li\u003e\n\u003cli\u003eUp to 8mm stitch length — accommodates heavy thread and thick seam applications\u003c\/li\u003e\n\u003cli\u003eAutomatic central lubrication — reduces maintenance downtime and extends machine life\u003c\/li\u003e\n\u003cli\u003e750W direct drive servo motor — belt-free operation with quiet, precise speed control\u003c\/li\u003e\n\u003cli\u003eReverse lever — secure lock-off backtacking at seam start and end\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFurniture upholstery — sofas, chairs, cushions, and decorative panels\u003c\/li\u003e\n\u003cli\u003eAutomotive and marine interiors — seat covers, door panels, and trim work\u003c\/li\u003e\n\u003cli\u003eBags and accessories — handbags, backpacks, luggage, and work bags\u003c\/li\u003e\n\u003cli\u003eLeather, vinyl, canvas, and coated fabrics requiring even layer-by-layer feeding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine Type\u003c\/td\u003e\n\u003ctd\u003eIndustrial Single-Needle Lockstitch, Top \u0026amp; Bottom Feed Walking Foot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeedle System\u003c\/td\u003e\n\u003ctd\u003eDPx17, sizes #18–#23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003e750W Direct Drive Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Type\u003c\/td\u003e\n\u003ctd\u003eDirect Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Stitch Length\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePresser Foot Lift\u003c\/td\u003e\n\u003ctd\u003e7mm by hand \/ 16mm by knee lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003eTEX 70\/69 to TEX 140\/138\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLubrication\u003c\/td\u003e\n\u003ctd\u003eAutomatic \/ Central Oiling System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetup\u003c\/td\u003e\n\u003ctd\u003eComplete — Table and Stand Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"JACK","offers":[{"title":"Default Title","offer_id":49222548586798,"sku":"H2-Z-CZ","price":1426.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/Photoroom_20240801_205508.jpg?v=1722560165"},{"product_id":"jack-h7-c","title":"JACK® H7-C – Single Needle Top \u0026 Bottom Feed Walking Foot Machine – Complete Setup, Table \u0026 Stand Included","description":"\u003cp\u003eThe \u003cstrong\u003eJack H7-C\u003c\/strong\u003e is the first \u003cstrong\u003eAI-powered walking foot industrial sewing machine\u003c\/strong\u003e available in the United States — and Supra Sewing is the largest authorized Jack dealer in the US. This single-needle, top \u0026amp; bottom feed compound walking foot lockstitch machine ships fully assembled with table, stand, and a high-torque direct drive servo motor, ready to run out of the crate for upholstery shops, leather goods makers, marine canvas fabricators, and automotive interior manufacturers who need flawless feeding across heavy, layered, or slippery materials.\u003c\/p\u003e\n\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/uM0voABmt8c?si=JupH9VYHalI9dI0x\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhat sets the H7-C apart from every other walking foot on the market is its \u003cstrong\u003eAI Material Recognition\u003c\/strong\u003e system: onboard sensors read fabric thickness and density in real time, then automatically adjust presser foot pressure, alternating foot lift, and stitching speed. You get perfect stitch quality at the transition from two layers to eight layers — with no manual dial turns, no skipped stitches, and no operator guesswork.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJACK H7-C walking foot lockstitch head (ships assembled)\u003c\/li\u003e\n\u003cli\u003eHigh torque direct drive servo motor\u003c\/li\u003e\n\u003cli\u003eIndustrial sewing table\u003c\/li\u003e\n\u003cli\u003eHeavy duty machine stand\u003c\/li\u003e\n\u003cli\u003eStandard accessories kit (bobbins, needles, screwdrivers, oil)\u003c\/li\u003e\n\u003cli\u003eUser manual \u0026amp; quick-start guide\u003c\/li\u003e\n\u003cli\u003eUS-based technical support from Supra Sewing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy the H7-C is Different: AI Material Recognition\u003c\/h2\u003e\n\u003cp\u003eThe Jack H7-C's AI system is the headline feature — and the reason professional shops are replacing mechanical walking foots with this machine:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic thickness detection\u003c\/strong\u003e — sensors on the presser foot assembly continuously read the stack under the needle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic pressure adjustment\u003c\/strong\u003e — the stepper-motor presser foot adjusts automatically, no manual screw turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdaptive speed control\u003c\/strong\u003e — the servo slows down over thick seams and speeds back up on flat runs, protecting needles and preventing breakage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory for recurring jobs\u003c\/strong\u003e — store stitch length, foot lift, and speed profiles for repeat production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital knee lifter with micro-lift sensitivity\u003c\/strong\u003e — accurate corner work and smooth handling at thickness transitions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe practical result: one operator produces the stitch quality of a skilled veteran on their very first shift. Training time drops, reject rates fall, and the machine protects itself from operator error.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Alternation Technology\u003c\/strong\u003e — 1.3–5.5 mm ultra-wide alternation range for seamless compatibility with both thin and thick fabrics, ensuring stable transmission across material transitions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10.5 Nm integrated torque\u003c\/strong\u003e — high-torque direct drive servo delivers rapid response and precise fabric feeding even at low speeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0 Resistance Thread Control Technology\u003c\/strong\u003e — 30% reduced thread passing resistance for smoother operation and 20% improved loop stability for consistent stitch formation, delivering stable tension and flawless stitch appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9%+ overall efficiency increase\u003c\/strong\u003e compared to conventional walking foot platforms\u003c\/li\u003e\n\u003cli\u003eCompound feed system (top \u0026amp; bottom walking foot) advances thick and layered materials evenly without layer shift or slippage\u003c\/li\u003e\n\u003cli\u003eAI material recognition with automatic pressure, lift, and speed adjustment\u003c\/li\u003e\n\u003cli\u003eStepper-motor controlled presser foot lift (7–15 mm range) for precise, repeatable pressure across material thicknesses\u003c\/li\u003e\n\u003cli\u003eDigital knee lifter with micro-lift sensitivity for accurate corner sewing\u003c\/li\u003e\n\u003cli\u003eNeedle system DPx17 (135×17), sizes #20–#23, compatible with heavy bonded thread and a wide range of fabrics including leather, canvas, and vinyl\u003c\/li\u003e\n\u003cli\u003eHigh torque direct drive servo motor delivers strong, consistent low-speed torque up to \u003cstrong\u003e4,500 SPM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum stitch length 8 mm — forward and reverse\u003c\/li\u003e\n\u003cli\u003eHorizontal-axis double-capacity hook with automatic lubrication for reliable, low-maintenance operation\u003c\/li\u003e\n\u003cli\u003eTouchscreen-style control panel for intuitive parameter management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpholstery \u0026amp; furniture\u003c\/strong\u003e — sofas, chairs, cushions, slipcovers, headboards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeather goods\u003c\/strong\u003e — bags, belts, holsters, harnesses, wallets, equestrian tack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine canvas \u0026amp; sailmaking\u003c\/strong\u003e — biminis, covers, dodgers, sail repair, heavy-duty tarps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; aviation interiors\u003c\/strong\u003e — seats, door panels, headliners, convertible tops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial \u0026amp; workwear\u003c\/strong\u003e — heavy denim, reinforced canvas bags, tents, safety harnesses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutdoor \u0026amp; pet products\u003c\/strong\u003e — dog beds, truck tarps, awnings, backpack reinforcements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eJack H7-C vs H2, H6, and the Juki DU-1181N — How It Compares\u003c\/h2\u003e\n\u003cp\u003eShoppers cross-shopping walking foot machines usually land on four options. All four share the same \u003cstrong\u003ecompound feed architecture\u003c\/strong\u003e, the \u003cstrong\u003eDPx17 (135×17) needle system\u003c\/strong\u003e, and a \u003cstrong\u003ehorizontal-axis double-capacity hook\u003c\/strong\u003e, so most needles and many hook-related accessories are interchangeable. Where the Jack H-series pulls ahead is on the \u003cstrong\u003edrive train, electronics, and automation\u003c\/strong\u003e: direct drive servos, integrated needle positioners, higher SPM, and — on the H7-C — AI material recognition with 4,500 SPM top speed and automatic hook lubrication. Here's the side-by-side:\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e\n\u003cstrong\u003eJack H7-C\u003c\/strong\u003e (this machine)\u003c\/th\u003e\n\u003cth\u003eJack H2\u003c\/th\u003e\n\u003cth\u003eJack H6 \u003cem\u003e(discontinued)\u003c\/em\u003e\n\u003c\/th\u003e\n\u003cth\u003eJuki DU-1181N\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAI material recognition\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eYes — auto pressure, lift \u0026amp; speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eDirect drive servo (10.5 Nm torque)\u003c\/td\u003e\n\u003ctd\u003eDirect drive servo\u003c\/td\u003e\n\u003ctd\u003eDirect drive servo\u003c\/td\u003e\n\u003ctd\u003eServo motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeedle positioner\u003c\/td\u003e\n\u003ctd\u003eYes — integrated\u003c\/td\u003e\n\u003ctd\u003eYes — integrated\u003c\/td\u003e\n\u003ctd\u003eYes — integrated\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax speed\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e4,500 SPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000 SPM\u003c\/td\u003e\n\u003ctd\u003e3,500 SPM\u003c\/td\u003e\n\u003ctd\u003e2,000 SPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStitch length\u003c\/td\u003e\n\u003ctd\u003e0–8 mm\u003c\/td\u003e\n\u003ctd\u003e0–8 mm\u003c\/td\u003e\n\u003ctd\u003e0–9 mm\u003c\/td\u003e\n\u003ctd\u003e0–9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePresser foot lift\u003c\/td\u003e\n\u003ctd\u003eStepper motor controlled, 7–15 mm\u003c\/td\u003e\n\u003ctd\u003e8 mm hand \/ 16 mm knee (manual)\u003c\/td\u003e\n\u003ctd\u003eDigital, fixed presets\u003c\/td\u003e\n\u003ctd\u003e5.5 mm hand \/ 15 mm knee (manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnee lifter\u003c\/td\u003e\n\u003ctd\u003eDigital, separate stepper-motor controller\u003c\/td\u003e\n\u003ctd\u003eMechanical\u003c\/td\u003e\n\u003ctd\u003eSolenoid lifter\u003c\/td\u003e\n\u003ctd\u003eMechanical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternating foot lift\u003c\/td\u003e\n\u003ctd\u003e1.3–5.5 mm (digital, Flexible Alternation Technology)\u003c\/td\u003e\n\u003ctd\u003e1–4 mm (manual)\u003c\/td\u003e\n\u003ctd\u003e1–5 mm (digital)\u003c\/td\u003e\n\u003ctd\u003e2–5 mm (manual)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeedle system\u003c\/td\u003e\n\u003ctd\u003eDPx17 (135×17), #20–#23\u003c\/td\u003e\n\u003ctd\u003eDPx17 (135×17)\u003c\/td\u003e\n\u003ctd\u003eDPx17 (135×17)\u003c\/td\u003e\n\u003ctd\u003eDPx17 (135×17)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHook\u003c\/td\u003e\n\u003ctd\u003eHorizontal-axis double-capacity, auto-lube\u003c\/td\u003e\n\u003ctd\u003eHorizontal-axis double-capacity\u003c\/td\u003e\n\u003ctd\u003eHorizontal-axis double-capacity\u003c\/td\u003e\n\u003ctd\u003eHorizontal-axis double-capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBobbin\u003c\/td\u003e\n\u003ctd\u003eM size\u003c\/td\u003e\n\u003ctd\u003eM size\u003c\/td\u003e\n\u003ctd\u003eM size\u003c\/td\u003e\n\u003ctd\u003eM size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent status\u003c\/td\u003e\n\u003ctd\u003eCurrent model\u003c\/td\u003e\n\u003ctd\u003eCurrent model\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eDiscontinued\u003c\/strong\u003e — replaced by H7-C\u003c\/td\u003e\n\u003ctd\u003eCurrent model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eProduction shops, varied material stacks, training new operators\u003c\/td\u003e\n\u003ctd\u003eEntry-level walking foot work\u003c\/td\u003e\n\u003ctd\u003eLegacy installations (parts still available)\u003c\/td\u003e\n\u003ctd\u003eClassic Juki reliability, lighter-to-medium duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eSpecifications are published values from each manufacturer's product catalog. The H7-C is the only machine in this comparison with AI-driven automatic adjustment. The Jack H6 has been discontinued and replaced in the Jack lineup by the H7-C — Supra Sewing continues to stock H6 parts and accessories for legacy installations.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeedle System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDPx17 (135×17), #20–#23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Torque Direct Drive Servo Motor (10.5 Nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle Needle Top \u0026amp; Bottom Feed Walking Foot Lockstitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeed System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompound Feed (Top \u0026amp; Bottom Walking Foot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Sewing Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4,500 SPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStitch Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePresser Foot Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7–15 mm, Stepper-Motor Controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlternating Foot Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.3–5.5 mm (Flexible Alternation Technology)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKnee Lifter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital, Stepper-Motor Controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHook Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHorizontal-Axis Double-Capacity, Auto-Lube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLubrication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e715 × 310 × 570 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40.6 kg (head) \/ 47.84 kg (gross)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTable \u0026amp; Stand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJACK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is the Jack H7-C used for?\u003c\/h3\u003e\n\u003cp\u003eThe Jack H7-C is built for professional upholstery, leather goods, marine canvas, automotive interiors, and heavy industrial sewing. Anywhere two or more layers of thick or slippery material need to feed evenly — upholstery shops, saddle makers, bag manufacturers, sailmakers, and automotive trim shops — the H7-C is the production machine of choice.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AI material recognition actually work?\u003c\/h3\u003e\n\u003cp\u003eSensors on the presser foot assembly continuously read the thickness and density of the material under the needle. The machine's controller automatically adjusts presser foot pressure, alternating foot lift, and sewing speed in real time. You don't stop to turn a screw or change a dial — the H7-C handles the transition from single layer to multi-layer seams for you.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's the difference between the Jack H7-C and the Jack H6?\u003c\/h3\u003e\n\u003cp\u003eThe Jack H6 has been discontinued and the H7-C is its successor in the Jack lineup. Both share the direct drive servo platform, horizontal-axis double-capacity hook, and M bobbin. The H7-C adds AI material recognition, a higher 4,500 SPM top speed, a stepper-motor controlled presser foot (7–15 mm), Flexible Alternation Technology (1.3–5.5 mm), 0 Resistance Thread Control, automatic hook lubrication, and an upgraded digital knee lifter with a separate stepper-motor controller versus the H6's solenoid lifter. Supra Sewing continues to stock H6 parts and accessories for legacy installations.\u003c\/p\u003e\n\n\u003ch3\u003eIs the Jack H7-C better than the Juki DU-1181N?\u003c\/h3\u003e\n\u003cp\u003eThey serve different users. The Juki DU-1181N is a proven, lighter-to-medium-duty walking foot with a classic mechanical design and 2,000 SPM top speed. The Jack H7-C is a modern production machine: 4,500 SPM (more than 2× the Juki), 10.5 Nm direct drive servo torque, digital presser foot and knee lifter, Flexible Alternation Technology, and AI material recognition. For heavy production, thicker stacked materials, and automated quality, the H7-C is the more capable choice. The Juki remains a solid, lower-cost option for shops that don't need the automation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat needle system and thread does the H7-C use?\u003c\/h3\u003e\n\u003cp\u003eThe H7-C uses the \u003cstrong\u003eDPx17 (135×17) needle system\u003c\/strong\u003e in sizes \u003cstrong\u003e#20 through #23\u003c\/strong\u003e, which handles heavy bonded nylon, polyester, and specialty threads suitable for leather, canvas, vinyl, and upholstery. Supra Sewing stocks replacement needles, bobbins, feed dogs, and presser feet for the Jack H-series.\u003c\/p\u003e\n\n\u003ch3\u003eDoes the machine come with a table and stand?\u003c\/h3\u003e\n\u003cp\u003eYes. The H7-C ships as a complete setup — machine head, industrial sewing table, heavy-duty stand, direct drive servo motor, accessories kit, and manual. It arrives assembled and ready for final placement and power-up.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the warranty and who handles service?\u003c\/h3\u003e\n\u003cp\u003eSupra Sewing is an authorized Jack dealer and the largest Jack dealer in the United States. The H7-C carries the full manufacturer warranty and is backed by our in-house technical team based in the US. We stock OEM parts across the Jack catalog and provide phone, email, and video support.\u003c\/p\u003e\n\n\u003ch3\u003eCan the H7-C sew real leather?\u003c\/h3\u003e\n\u003cp\u003eYes — the compound walking foot feed, DPx17 needle system in heavy sizes (#20–#23), and high-torque servo (10.5 Nm) are designed for genuine leather, bonded leather, and leather alternatives (PU, vinyl). The AI pressure adjustment is particularly effective on leather-to-fabric transitions where manual machines drop stitches.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy the Jack H7-C from Supra Sewing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthorized Jack dealer \u0026amp; the largest Jack dealer in the US\u003c\/strong\u003e — volume buying power, priority inventory, and direct factory relationship.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-house technical support\u003c\/strong\u003e — real sewing technicians, based in the US, ready to help by phone, email, or video.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM parts \u0026amp; accessories in stock\u003c\/strong\u003e — bobbins, feed dogs, presser feet, needles, and servicing parts for the entire Jack H-series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinancing available\u003c\/strong\u003e — production machines qualify for business financing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips assembled from our US warehouse\u003c\/strong\u003e — your team plugs it in and runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eExplore the full \u003ca href=\"\/collections\/heavy-duty\"\u003eHeavy Duty walking foot machine collection\u003c\/a\u003e and browse all \u003ca href=\"\/collections\/jack\"\u003eJack industrial sewing machines\u003c\/a\u003e, or contact our team for help selecting the right configuration for your shop.\u003c\/p\u003e","brand":"JACK","offers":[{"title":"Default Title","offer_id":51793519149358,"sku":"H7-C","price":1941.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/JACKH73.jpg?v=1772324980"},{"product_id":"jack-z7-181000","title":"JACK® Z7 Single Needle AI Walking Foot Machine – Complete Setup, Table \u0026 Stand Included","description":"\u003cstyle\u003e\n  .z7-desc { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a1a1a; line-height: 1.7; max-width: 900px; }\n  .z7-desc h2 { font-size: 22px; font-weight: 700; margin: 40px 0 14px; padding-bottom: 8px; border-bottom: 2px solid #c8102e; color: #1a1a1a; }\n  .z7-desc h3 { font-size: 17px; font-weight: 700; margin: 28px 0 10px; color: #333; }\n  .z7-desc p { font-size: 15px; margin: 0 0 14px; }\n  .z7-desc ul { padding-left: 20px; margin: 0 0 18px; }\n  .z7-desc li { font-size: 15px; margin-bottom: 8px; }\n\n  \/* Hero banner *\/\n  .z7-hero { background: linear-gradient(135deg, #0d0d0d 0%, #1a1a2e 100%); color: #fff; border-radius: 8px; padding: 32px 28px; margin-bottom: 30px; }\n  .z7-hero h2 { color: #fff; border-bottom: none; margin: 0 0 6px; font-size: 24px; }\n  .z7-hero p { color: #ccc; font-size: 15px; margin: 0; }\n  .z7-hero .z7-tagline { color: #f0c040; font-size: 17px; font-weight: 600; margin: 10px 0 0; }\n\n  \/* Badges row *\/\n  .z7-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }\n  .z7-badge { background: #f7f7f7; border: 1px solid #e0e0e0; border-radius: 6px; padding: 12px 16px; flex: 1 1 180px; text-align: center; }\n  .z7-badge strong { display: block; font-size: 18px; color: #c8102e; }\n  .z7-badge span { font-size: 12px; color: #666; text-transform: uppercase; letter-spacing: 0.5px; }\n\n  \/* Video wrapper *\/\n  .z7-video { margin: 24px 0; border-radius: 8px; overflow: hidden; position: relative; padding-bottom: 56.25%; height: 0; }\n  .z7-video iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; border-radius: 8px; }\n  .z7-video-label { font-size: 13px; color: #666; margin: 8px 0 0; text-align: center; font-style: italic; }\n\n  \/* Video grid (2 side by side) *\/\n  .z7-video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }\n  .z7-video-grid-item { }\n  .z7-video-grid-item .z7-video { margin: 0; }\n  @media (max-width: 600px) { .z7-video-grid { grid-template-columns: 1fr; } }\n\n  \/* Feature cards *\/\n  .z7-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 20px 0 30px; }\n  .z7-feature-card { background: #fafafa; border: 1px solid #eee; border-radius: 8px; padding: 20px; border-left: 4px solid #c8102e; }\n  .z7-feature-card h4 { margin: 0 0 8px; font-size: 15px; font-weight: 700; color: #1a1a1a; }\n  .z7-feature-card p { margin: 0; font-size: 14px; color: #444; line-height: 1.6; }\n\n  \/* Scenario boxes *\/\n  .z7-scenario { background: #f9f9f2; border-left: 4px solid #d4a017; padding: 16px 20px; margin: 16px 0; border-radius: 0 8px 8px 0; }\n  .z7-scenario strong { color: #333; }\n  .z7-scenario p { margin: 0; font-size: 14px; }\n\n  \/* Comparison table *\/\n  .z7-compare-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 16px 0 30px; }\n  .z7-compare-table th { background: #1a1a2e; color: #fff; padding: 12px 14px; text-align: left; font-weight: 600; }\n  .z7-compare-table th.z7-highlight { background: #c8102e; }\n  .z7-compare-table td { padding: 10px 14px; border-bottom: 1px solid #e8e8e8; }\n  .z7-compare-table tr:nth-child(even) td { background: #fafafa; }\n  .z7-compare-table .z7-check { color: #2e7d32; font-weight: 700; }\n  .z7-compare-table .z7-cross { color: #999; }\n\n  \/* Specs table *\/\n  .z7-specs-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 16px 0; }\n  .z7-specs-table td { padding: 10px 14px; border-bottom: 1px solid #eee; }\n  .z7-specs-table tr:nth-child(odd) td { background: #f8f8f8; }\n  .z7-specs-table td:first-child { font-weight: 600; width: 40%; color: #333; }\n\n  \/* Included list *\/\n  .z7-included { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; margin: 16px 0; }\n  .z7-included-item { display: flex; align-items: center; gap: 8px; font-size: 14px; padding: 8px 12px; background: #f0faf0; border-radius: 6px; }\n  .z7-included-item::before { content: \"✓\"; color: #2e7d32; font-weight: 700; font-size: 16px; }\n\n  \/* FAQ *\/\n  .z7-faq { margin: 16px 0; }\n  .z7-faq details { border: 1px solid #e8e8e8; border-radius: 6px; margin-bottom: 8px; overflow: hidden; }\n  .z7-faq summary { padding: 14px 18px; font-weight: 600; font-size: 15px; cursor: pointer; background: #fafafa; list-style: none; }\n  .z7-faq summary::-webkit-details-marker { display: none; }\n  .z7-faq summary::before { content: \"+  \"; color: #c8102e; font-weight: 700; }\n  .z7-faq details[open] summary::before { content: \"−  \"; }\n  .z7-faq details[open] summary { border-bottom: 1px solid #e8e8e8; }\n  .z7-faq .z7-faq-answer { padding: 14px 18px; font-size: 14px; line-height: 1.7; color: #444; }\n\n  \/* Shipping info *\/\n  .z7-shipping { background: #eef6ff; border: 1px solid #c4ddf5; border-radius: 8px; padding: 20px; margin: 20px 0; }\n  .z7-shipping h3 { margin: 0 0 10px; color: #1a1a2e; font-size: 16px; }\n  .z7-shipping p { margin: 0 0 6px; font-size: 14px; }\n\n  \/* Support banner *\/\n  .z7-support { background: #1a1a2e; color: #fff; border-radius: 8px; padding: 24px 28px; margin: 20px 0; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }\n  .z7-support h3 { margin: 0 0 4px; color: #fff; font-size: 17px; }\n  .z7-support p { margin: 0; color: #bbb; font-size: 14px; }\n  .z7-support-channels { display: flex; gap: 16px; flex-wrap: wrap; }\n  .z7-support-channel { background: rgba(255,255,255,0.1); border-radius: 6px; padding: 8px 14px; font-size: 13px; color: #fff; }\n\n  \/* Vertical short video *\/\n  .z7-short-wrap { display: flex; justify-content: center; margin: 20px 0; }\n  .z7-short { width: 320px; max-width: 100%; border-radius: 12px; overflow: hidden; position: relative; padding-bottom: 178%; \/* 9:16 ratio relative to 320px *\/ height: 0; box-shadow: 0 4px 20px rgba(0,0,0,0.12); }\n  .z7-short iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; border-radius: 12px; }\n\n  \/* Responsive *\/\n  @media (max-width: 600px) {\n    .z7-hero { padding: 24px 20px; }\n    .z7-badges { flex-direction: column; }\n    .z7-features { grid-template-columns: 1fr; }\n    .z7-support { flex-direction: column; text-align: center; }\n    .z7-support-channels { justify-content: center; }\n  }\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003c!-- ====== HERO BANNER ====== --\u003e\n\u003ch2\u003eJACK Z7-181000 — AI Triple Feed Walking Foot Industrial Sewing Machine for Leather \u0026amp; Upholstery\u003c\/h2\u003e\n\u003cp\u003eSingle Needle Heavy Duty Lockstitch • Compound Feed • Complete with Table \u0026amp; Stand\u003c\/p\u003e\n\u003cp\u003eThe first walking foot sewing machine that thinks while it sews.\u003c\/p\u003e\n\u003c!-- ====== KEY STATS BADGES ====== --\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e850W\u003c\/strong\u003e High Torque Motor\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e13% More Power\u003c\/strong\u003e vs. Competing Models\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e3,500 SPM\u003c\/strong\u003e Max Sewing Speed\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e73% More\u003c\/strong\u003e Bobbin Capacity (XXL Hook)\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ====== INTRO — keyword-rich, natural ====== --\u003e\n\u003cp\u003eThe JACK Z7-181000 is a heavy duty walking foot industrial sewing machine built for professionals who sew leather, upholstery, automotive interiors, and marine canvas. It uses the same triple feed compound system (feed dog + needle + walking feet) found on established machines like the Juki LU-2810 and Dürkopp Adler 867 — but adds something none of them offer: a built-in AI chip with a real-time material thickness sensor that automatically adjusts motor torque, needle penetration force, and thread tension when the material changes mid-seam.\u003c\/p\u003e\n\u003cp\u003eThat means your operator doesn't have to stop, adjust, and restart every time the seam goes from 2 layers to 6 layers. The JACK Z7 handles it automatically — delivering consistent stitch quality with less training time and fewer defects. It ships fully assembled with the industrial sewing table and stand included, ready to sew out of the box.\u003c\/p\u003e\n\u003c!-- ====== VIDEO 1: PRODUCT OVERVIEW (full width, hero position) ====== --\u003e\n\u003ch3\u003eSee the JACK Z7-181000 in Action\u003c\/h3\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7-181000 AI Walking Foot Sewing Machine — Full Overview | Supra Sewing\" src=\"https:\/\/www.youtube.com\/embed\/RLZ2tDcw11g\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c!-- ====== WHAT MAKES THE Z7 DIFFERENT ====== --\u003e\n\u003ch2\u003eWhy the JACK Z7 Walking Foot Machine Is Different\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ch4\u003eAI Chip + Material Thickness Sensor\u003c\/h4\u003e\n\u003cp\u003eAn integrated AI chip detects changes in material thickness and resistance in real time. It automatically increases needle penetration force and motor torque — so this industrial sewing machine adapts mid-seam without the operator touching anything. No other walking foot machine in this class offers this.\u003c\/p\u003e\n\u003ch4\u003eDouble Alternating Walking Feet\u003c\/h4\u003e\n\u003cp\u003eTwo adjustable walking feet (set via two knobs) alternate automatically or manually based on detected overlap or thickness. This compound feed system gives superior feeding on uneven layers of leather, vinyl, and upholstery fabric that single walking foot machines struggle with.\u003c\/p\u003e\n\u003ch4\u003eSecondary Thread Tension Device\u003c\/h4\u003e\n\u003cp\u003eA second thread tension system activates automatically when the sensor detects fabric overlap or thickness change — or can be triggered manually. This keeps stitch formation consistent across the entire seam, even on heavy multi-layer assemblies.\u003c\/p\u003e\n\u003ch4\u003eOne-Button Stitch Length Switch\u003c\/h4\u003e\n\u003cp\u003eCorners and tight seams in upholstery and automotive work require shorter stitches. The Z7 switches stitch length with a single button press — no stopping to turn a knob. Saves time and improves consistency on complex sewing patterns.\u003c\/p\u003e\n\u003ch4\u003eMost Powerful Motor in Its Class\u003c\/h4\u003e\n\u003cp\u003eThe 850W direct drive servo motor delivers 13% more power than competing triple feed lockstitch machines. It provides strong, low-speed pulling force for dense multi-layer leather and upholstery assemblies without skipped stitches.\u003c\/p\u003e\n\u003ch4\u003eXXL 32mm Heavy Duty Hook\u003c\/h4\u003e\n\u003cp\u003e73% more bobbin capacity than the standard 2X hook type. Handles thick thread without jams and dramatically reduces bobbin changes on long production runs — essential for upholstery shops and leather goods production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ====== VIDEO 2: SELF-ADAPTIVE SEWING (the star demo) ====== --\u003e\n\u003ch3\u003eWatch the AI Self-Adaptive Sewing System\u003c\/h3\u003e\n\u003cp\u003eThis is the Z7's signature feature: the machine detects thickness changes in real time and automatically adjusts torque, tension, and needle force — no operator input needed:\u003c\/p\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7 AI Self-Adaptive Sewing — Automatic Thickness Adjustment on Leather and Upholstery\" src=\"https:\/\/www.youtube.com\/embed\/5tRoTEVhHuY\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c!-- ====== FEATURES IMAGE ====== --\u003e \u003cimg loading=\"lazy\" alt=\"JACK Z7-181000 key features overview — AI thickness sensor, double alternating walking feet, XXL 32mm hook, touchscreen panel, 850W motor\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/Z7_FEATURES.png?v=1774308973\"\u003e \u003c!-- ====== REAL-WORLD SCENARIOS ====== --\u003e\n\u003ch2\u003eBuilt for the Toughest Seams in Leather, Upholstery \u0026amp; Marine Fabrication\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAutomotive upholstery:\u003c\/strong\u003e You're sewing a car seat cover and the seam goes from 2 layers of leather to 6 layers at the junction. On a conventional walking foot sewing machine, you'd stop and adjust the tension and foot pressure. On the Jack Z7, the AI sensor detects the change, the motor increases torque, the second tension engages, and the alternating feet kick in — all in real time, mid-seam, with zero operator intervention.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFurniture upholstery:\u003c\/strong\u003e Sewing a sofa cushion means tight corners that need shorter stitches. Instead of stopping to turn the stitch length knob, press one button and the Z7 switches automatically. Press again to go back. No interruption, no inconsistent stitches at the corner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMarine canvas \u0026amp; awnings:\u003c\/strong\u003e Multiple layers of Sunbrella or marine vinyl with binding tape create sudden thickness jumps. The Jack Z7 AI compensates instantly, keeping your stitch line straight and your tension even — without the operator needing years of experience to \"feel\" the change. This is what makes it the ideal heavy duty sewing machine for marine fabrication shops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLeather goods \u0026amp; bags:\u003c\/strong\u003e When you're sewing a leather bag and transition from a single layer body panel to the multi-layer strap attachment point, the Z7's thickness sensor detects the jump and adjusts needle force and tension before you even feel the difference. Cleaner stitches, less thread breakage, fewer rejects.\u003c\/p\u003e\n\u003c!-- ====== VIDEO 3: POWER TEST — Automobile Tire (full width, wow factor) ====== --\u003e\n\u003ch3\u003e850W Power Test — Sewing Through an Automobile Tire\u003c\/h3\u003e\n\u003cp\u003eIf the Z7 can sew through a tire, it can handle any leather, canvas, or upholstery assembly in your shop:\u003c\/p\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7 Heavy Duty Power Test — Sewing Through Automobile Tire | 850W Walking Foot Machine\" src=\"https:\/\/www.youtube.com\/embed\/JCG_m7PQGMU\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c!-- ====== SMART CONTROLS ====== --\u003e\n\u003ch2\u003eSmart Controls \u0026amp; Operator-Friendly Design\u003c\/h2\u003e\n\u003cp\u003eThe JACK Z7 is designed to reduce the learning curve for new operators while giving experienced sewers faster, more precise control:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouch screen panel with voice guidance\u003c\/strong\u003e — clear icons and voice prompts make it easy to activate backtack, thread trimmer, presser foot lifter, and programmable functions. Long-press any button to access advanced settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic digital handwheel\u003c\/strong\u003e — micrometric adjustments by rotation; single click enables half-stitch operation for precise stitch placement on detailed leather and upholstery work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable function keys on the machine head\u003c\/strong\u003e — quick access to your most-used operations. One key is fully customizable from the touch screen panel to match your workflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePneumatic presser foot lifter\u003c\/strong\u003e — smooth, consistent double-alternating lift reduces operator fatigue on bulky or heavy workpieces. Requires external air compressor (minimum 70 PSI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic thread trimming \u0026amp; back-tacking\u003c\/strong\u003e — integrated automation speeds up cycle time and ensures clean seam starts and ends on every piece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart bobbin thread warning\u003c\/strong\u003e — the machine alerts you when bobbin thread is running low, so you never sew empty and ruin a workpiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated bobbin winder with auto-cut\u003c\/strong\u003e — wind and cut bobbin thread without leaving your sewing position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic lubrication system\u003c\/strong\u003e — keeps the machine running smoothly with minimal maintenance downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ====== VIDEOS 4-5: CONTROLS DEMOS (2-up grid) ====== --\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7 Electronic Handwheel — Micrometric Adjustment and Half-Stitch Control\" src=\"https:\/\/www.youtube.com\/embed\/PGwFoze_EEc\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003eElectronic Handwheel \u0026amp; Half-Stitch\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7 Dual Stitch Length Application — One-Button Switch for Corners and Detail Work\" src=\"https:\/\/www.youtube.com\/embed\/n7xddkWY1Yc\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003eOne-Button Dual Stitch Length\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ====== VIDEOS 6-7: SMART FEATURES (2-up grid) ====== --\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7 Smart Bobbin Thread Warning — Never Sew Empty Again\" src=\"https:\/\/www.youtube.com\/embed\/yhYQk3Yqvi8\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003eSmart Bobbin Thread Warning\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7 Seam Reversal Application — Back-Tacking and Reverse Sewing Demo\" src=\"https:\/\/www.youtube.com\/embed\/4HnCP5HlGzk\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003eSeam Reversal Application\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ====== COMPARISON TABLE ====== --\u003e\n\u003ch2\u003eJACK Z7 vs Juki LU-2810 vs Dürkopp Adler 867 — Walking Foot Machine Comparison\u003c\/h2\u003e\n\u003cp\u003eThe JACK Z7-181000 is engineered to compete directly with the most established heavy duty walking foot industrial sewing machines on the market — at a fraction of the price, with AI technology they don't offer. If you're considering a Juki LU-2810 or Dürkopp Adler 867 for your upholstery or leather shop, compare the features side by side:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eJACK Z7-181000\u003c\/th\u003e\n\u003cth\u003eJuki LU-2810\u003c\/th\u003e\n\u003cth\u003eDürkopp Adler 867\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAI Thickness Sensor\u003c\/td\u003e\n\u003ctd\u003e✔ Auto-adjusts in real time\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Torque \u0026amp; Penetration Adjustment\u003c\/td\u003e\n\u003ctd\u003e✔ Yes\u003c\/td\u003e\n\u003ctd\u003e✘ Manual\u003c\/td\u003e\n\u003ctd\u003e✘ Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDouble Alternating Walking Feet\u003c\/td\u003e\n\u003ctd\u003e✔ Auto or manual activation\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Thread Tension\u003c\/td\u003e\n\u003ctd\u003e✔ Auto-activating\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTouch Screen + Voice Guide\u003c\/td\u003e\n\u003ctd\u003e✔ Yes\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Handwheel (half-stitch)\u003c\/td\u003e\n\u003ctd\u003e✔ Yes\u003c\/td\u003e\n\u003ctd\u003e✘ Mechanical\u003c\/td\u003e\n\u003ctd\u003e✘ Mechanical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmart Bobbin Thread Warning\u003c\/td\u003e\n\u003ctd\u003e✔ Yes\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003ctd\u003e✘ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e850W Direct Drive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eServo (varies by setup)\u003c\/td\u003e\n\u003ctd\u003eServo (varies by setup)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHook Size\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXXL 32mm (+73% capacity)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOne-Button Stitch Length Switch\u003c\/td\u003e\n\u003ctd\u003e✔ Yes\u003c\/td\u003e\n\u003ctd\u003e✘ Manual knob\u003c\/td\u003e\n\u003ctd\u003e✘ Manual knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeed System\u003c\/td\u003e\n\u003ctd\u003eTriple Transport (Unison Feed)\u003c\/td\u003e\n\u003ctd\u003eTriple Transport\u003c\/td\u003e\n\u003ctd\u003eTriple Transport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTable \u0026amp; Stand Included\u003c\/td\u003e\n\u003ctd\u003e✔ Yes — ships assembled\u003c\/td\u003e\n\u003ctd\u003eVaries by dealer\u003c\/td\u003e\n\u003ctd\u003eVaries by dealer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- ====== IDEAL FOR — keyword-enriched ====== --\u003e\n\u003ch2\u003eIdeal Applications for the JACK Z7 Industrial Sewing Machine\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpholstery \u0026amp; furniture manufacturing\u003c\/strong\u003e — sofas, cushions, recliners, headboards, ottomans, and reupholstery work\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive interior sewing\u003c\/strong\u003e — car seats, headliners, steering wheel covers, door panels, dashboards, and convertible tops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeather goods production\u003c\/strong\u003e — bags, belts, holsters, harnesses, saddlery, wallets, and heavy leather accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine \u0026amp; outdoor fabrication\u003c\/strong\u003e — boat covers, bimini tops, awnings, canvas enclosures, outdoor cushions, and sail repairs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMattress manufacturing\u003c\/strong\u003e — border stitching, quilted panel assembly, and heavy-gauge mattress tape binding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAviation upholstery\u003c\/strong\u003e — aircraft seats, interior panels, and certified material assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ====== WHAT'S INCLUDED ====== --\u003e\n\u003ch2\u003eWhat's Included with the JACK Z7-181000\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eJACK Z7-181000 AI Walking Foot Lockstitch Machine (ships fully assembled)\u003c\/div\u003e\n\u003cdiv\u003e850W High Torque Direct Drive Servo Motor\u003c\/div\u003e\n\u003cdiv\u003eIndustrial Sewing Table\u003c\/div\u003e\n\u003cdiv\u003eMachine Stand\u003c\/div\u003e\n\u003cdiv\u003eStandard Accessories Kit (bobbins, needles, tools, oil)\u003c\/div\u003e\n\u003cdiv\u003eUser Manual\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ====== VIDEO: SHORT — Assembled Machine ====== --\u003e\n\u003ch3\u003eHow It Looks Fully Assembled \u0026amp; Ready to Sew\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003ciframe loading=\"lazy\" title=\"JACK Z7-181000 Fully Assembled Walking Foot Sewing Machine with Table and Stand | Supra Sewing\" src=\"https:\/\/www.youtube.com\/embed\/BFwK4DK441Y\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ====== SPECIFICATIONS ====== --\u003e\n\u003ch2\u003eJACK Z7-181000 Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMachine Type\u003c\/td\u003e\n\u003ctd\u003eSingle Needle AI Walking Foot Lockstitch Industrial Sewing Machine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeed System\u003c\/td\u003e\n\u003ctd\u003eTriple Transport \/ Unison Feed \/ Compound Feed (feed dog + needle + walking feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAI System\u003c\/td\u003e\n\u003ctd\u003eIntegrated AI chip with real-time material thickness sensor — auto-adjusts torque, penetration, and tension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003e850W High Torque Direct Drive Servo Motor (13% more powerful than competing models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Type\u003c\/td\u003e\n\u003ctd\u003eDirect Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Sewing Speed\u003c\/td\u003e\n\u003ctd\u003e3,500 stitches per minute (SPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStitch Length\u003c\/td\u003e\n\u003ctd\u003e0–9 mm (adjustable, with one-button quick switch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNeedle System\u003c\/td\u003e\n\u003ctd\u003eDPx35R \/ DPx35LR \/ DPx35D, sizes #18–#24 (rated for leather and heavy fabrics)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Presser Foot Lift\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHook Type\u003c\/td\u003e\n\u003ctd\u003eXXL 32mm Heavy-Duty Hook (73% more bobbin capacity than standard 2X type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWalking Feet\u003c\/td\u003e\n\u003ctd\u003eDouble Alternating (auto\/manual activation via 2 adjustment knobs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Tension\u003c\/td\u003e\n\u003ctd\u003ePrimary + Secondary auto-activating tension device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Panel\u003c\/td\u003e\n\u003ctd\u003eTouch Screen with Voice Guidance + Electronic Digital Handwheel (half-stitch capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction Keys\u003c\/td\u003e\n\u003ctd\u003eOn machine head — 1 fully programmable via touch screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePresser Foot Lifter\u003c\/td\u003e\n\u003ctd\u003eDouble-alternating pneumatic (requires external air compressor, min. 70 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Functions\u003c\/td\u003e\n\u003ctd\u003eThread Trimming, Back-Tacking, Stitch Length Switch, Bobbin Warning, Programmable Operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLubrication\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTable \u0026amp; Stand\u003c\/td\u003e\n\u003ctd\u003eIncluded — ships fully assembled and ready to sew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eJACK — World's #1 industrial sewing machine manufacturer by volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- ====== FAQ ====== --\u003e\n\u003ch2\u003eFrequently Asked Questions about the JACK Z7-181000\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the JACK Z7 and the JACK 2060GHC walking foot machine?\u003c\/summary\u003e\n\u003cdiv\u003eThe JACK 2060GHC is a solid compound walking foot sewing machine, but it uses a conventional design — the operator manually controls tension, foot pressure, and speed when material thickness changes. The JACK Z7-181000 adds an AI chip with a real-time thickness sensor that automatically adjusts motor torque, needle penetration force, and thread tension (via a secondary tension device), and activates double alternating walking feet — all without the operator doing anything. The Z7 also features a touch screen with voice guidance, a digital handwheel with half-stitch capability, one-button stitch length switching, and a smart bobbin thread warning system. If you frequently sew materials that change thickness mid-seam — like upholstery, automotive interiors, or layered leather — the Z7 will deliver more consistent results with less operator skill required.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan the JACK Z7 sew leather?\u003c\/summary\u003e\n\u003cdiv\u003eYes. The JACK Z7-181000 is specifically built for heavy materials including leather, bonded leather, vinyl, and multilayer leather assemblies. The DPx35 needle system (sizes #18–#24) is designed for leather work. The 850W motor provides strong penetration force even through thick stacks, and the AI sensor automatically increases torque when it detects denser material — so you get clean, consistent stitches through multiple leather layers without manual adjustment. It is widely used in leather goods production for bags, belts, holsters, harnesses, and saddlery.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the JACK Z7 easy to use for a new operator?\u003c\/summary\u003e\n\u003cdiv\u003eThe Z7 is one of the most operator-friendly heavy duty industrial sewing machines available. The touch screen panel uses voice guidance and clear icons, so operators can activate functions without memorizing complex procedures. More importantly, the AI system reduces the skill gap — instead of relying on an experienced operator to \"feel\" thickness changes and adjust on the fly, the machine handles it automatically. The digital handwheel gives precise control when needed, and the programmable function keys let you save your most-used settings for one-touch access. This makes the Z7 an excellent choice for shops that need to train new operators quickly.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need an air compressor for the JACK Z7 pneumatic foot lifter?\u003c\/summary\u003e\n\u003cdiv\u003eYes. The pneumatic presser foot lifter requires an external air compressor capable of sustaining at least 70 PSI. The compressor is not included with the machine. If you already have shop air, you're all set — just connect the air line. If not, a standard portable compressor that can sustain 70 PSI continuously will work fine.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread works best with the JACK Z7-181000?\u003c\/summary\u003e\n\u003cdiv\u003eThe JACK Z7 works well with the standard heavy duty threads used for leather and upholstery applications. The XXL 32mm hook is specifically designed to handle thick thread without jamming, and its 73% extra bobbin capacity means fewer bobbin changes on long runs. The DPx35 needle system supports sizes #18 through #24, allowing you to match needle and thread weight to your specific material. The machine arrives with the standard thread setup ready to sew.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the JACK Z7 ship assembled and ready to sew?\u003c\/summary\u003e\n\u003cdiv\u003eYes. The JACK Z7-181000 ships fully assembled with the industrial sewing table and stand included. When it arrives, you connect the power, connect your air line for the pneumatic foot lifter, and you're sewing. No complex assembly, no calibration required. We ship from Miami, Florida with free shipping to the lower 36 contiguous U.S. states.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow does the JACK Z7 compare to the Juki LU-2810?\u003c\/summary\u003e\n\u003cdiv\u003eBoth are triple feed (unison feed) walking foot lockstitch machines built for heavy duty work. The Juki LU-2810 is a well-established machine with a strong reputation. However, the JACK Z7-181000 offers several features the Juki does not: an AI chip with material thickness sensor for automatic adjustments, double alternating walking feet, a secondary auto-activating thread tension device, a touch screen with voice guidance, a digital handwheel with half-stitch capability, one-button stitch length switching, smart bobbin thread warning, and a 32mm XXL hook with 73% more bobbin capacity. The Z7 also has the most powerful motor in its class at 850W. For shops that sew materials with frequent thickness changes — upholstery, automotive, leather goods — the Z7's automatic adjustments can significantly improve consistency and reduce operator dependence.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the JACK Z7 a good sewing machine for automotive upholstery?\u003c\/summary\u003e\n\u003cdiv\u003eThe JACK Z7-181000 is one of the best walking foot sewing machines for automotive upholstery work. Car seat covers, door panels, headliners, and steering wheel covers constantly change in thickness as layers overlap at seam junctions. The Z7's AI sensor detects these changes in real time and automatically adjusts torque, needle force, and tension — eliminating the most common source of inconsistent stitching in automotive sewing. The 850W motor handles multi-layer leather and vinyl assemblies with ease, and the 20mm presser foot lift accommodates bulky layered materials.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use the JACK Z7 for sewing marine canvas and boat covers?\u003c\/summary\u003e\n\u003cdiv\u003eYes. The Z7 handles marine canvas, Sunbrella, vinyl, and layered outdoor fabrics with ease. Marine fabrication often involves sudden thickness changes where binding tape, webbing, or multiple fabric layers overlap. The AI thickness sensor compensates automatically, and the triple feed system keeps heavy canvas moving evenly through the machine without shifting or bunching. The pneumatic foot lifter makes it easy to handle bulky folded canvas edges.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat warranty and support does Supra Sewing offer on the JACK Z7?\u003c\/summary\u003e\n\u003cdiv\u003eWe provide a 2-year warranty covering all electrical and electronic components. Our technical support team is available by phone, WhatsApp, email, and video call. We're based in Miami, Florida and we stand behind every machine we sell. If you have any issues, our team can walk you through troubleshooting live — and in most cases, resolve the problem remotely.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!-- ====== SHIPPING ====== --\u003e\n\u003ch3\u003eShipping \u0026amp; Delivery\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFREE shipping\u003c\/strong\u003e to the lower 36 contiguous U.S. states.\u003c\/p\u003e\n\u003cp\u003eShipping to remaining contiguous states and Puerto Rico: \u003cstrong\u003e$150 flat rate.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShips fully assembled and ready to sew. Available from USA stock — ships fast!.\u003c\/p\u003e\n\u003c!-- ====== WARRANTY \u0026 SUPPORT ====== --\u003e\n\u003cdiv\u003e\n\u003ch3\u003e2-Year Electrical \u0026amp; Electronic Warranty\u003c\/h3\u003e\n\u003cp\u003eFull coverage on all electrical and electronic components. Based in Miami, FL — we stand behind every machine we sell.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003ePhone\u003c\/div\u003e\n\u003cdiv\u003eWhatsApp\u003c\/div\u003e\n\u003cdiv\u003eEmail\u003c\/div\u003e\n\u003cdiv\u003eVideo Call\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JACK","offers":[{"title":"Default Title","offer_id":51793565712686,"sku":"Z7-181000","price":4949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/JACKZ710.jpg?v=1772327127"},{"product_id":"jack-z7-29100","title":"JACK Z7 Double Needle AI Walking Foot Lockstitch Industrial Sewing Machine — Dual Sensor, 3\/8\" Gauge, Triple Feed, 850W Direct Drive \u0026 Touchscreen for Leather \u0026 Upholstery — Complete Setup, Table \u0026 Stand Included","description":"\u003cp\u003eThe \u003cstrong\u003eJACK Z7-29100\u003c\/strong\u003e is the \u003cstrong\u003edouble needle\u003c\/strong\u003e version of Jack's flagship Z7 AI walking foot platform — a heavy-duty compound-feed lockstitch machine that lays down \u003cstrong\u003etwo perfectly parallel rows of stitching in a single pass\u003c\/strong\u003e at a \u003cstrong\u003e3\/8\" (9.5 mm) needle gauge\u003c\/strong\u003e. Built for leather, upholstery, automotive interiors, and marine canvas, it pairs true triple-transport feeding with the same self-adjusting intelligence that sets the Z7 apart from every conventional double-needle machine in its class.\u003c\/p\u003e\n\u003cp\u003eIts signature feature is the \u003cstrong\u003edual AI thickness sensor\u003c\/strong\u003e: the machine reads material thickness and resistance in real time and \u003cstrong\u003eautomatically adjusts motor torque, needle penetration force, and thread tension mid-seam\u003c\/strong\u003e — so when a car-seat seam jumps from two layers to six at a junction, the operator doesn't stop, adjust, or restart. The \u003cstrong\u003edual alternating walking feet\u003c\/strong\u003e and \u003cstrong\u003esecondary auto-activating thread tension\u003c\/strong\u003e engage on detected overlap, keeping both needle rows clean and even across the whole assembly.\u003c\/p\u003e\n\u003cp\u003ePower comes from an \u003cstrong\u003e850W high-torque direct drive servo motor\u003c\/strong\u003e driving an \u003cstrong\u003eXXL 32 mm hook\u003c\/strong\u003e (73% more bobbin capacity than a standard 2× hook) for fewer bobbin changes on long production runs. Controlled from a \u003cstrong\u003etouchscreen panel with voice guidance\u003c\/strong\u003e and an electronic digital handwheel, the Z7-29100 runs at up to \u003cstrong\u003e2,600 stitches per minute\u003c\/strong\u003e with a long \u003cstrong\u003e12 mm maximum stitch length\u003c\/strong\u003e. Ships fully assembled with industrial table and stand.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eJACK Z7-29100 Double Needle AI Walking Foot Lockstitch Machine Head (Ships Fully Assembled)\u003c\/li\u003e\n  \u003cli\u003e850W High-Torque Direct Drive Servo Motor\u003c\/li\u003e\n  \u003cli\u003eTouchscreen Control Panel with Voice Guidance\u003c\/li\u003e\n  \u003cli\u003eIndustrial Sewing Table \u0026amp; Stand\u003c\/li\u003e\n  \u003cli\u003e3\/8\" Double Needle Gauge Set\u003c\/li\u003e\n  \u003cli\u003eDP×35R (#21) Needles and Standard Bobbins\u003c\/li\u003e\n  \u003cli\u003eStandard Accessories Kit (needles, bobbins, tools, oil)\u003c\/li\u003e\n  \u003cli\u003eOperator's Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble needle lockstitch (3\/8\" \/ 9.5 mm gauge)\u003c\/strong\u003e — two perfectly parallel rows in a single pass for topstitching, reinforcement, and decorative seams on leather and upholstery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual AI thickness sensor\u003c\/strong\u003e — reads material thickness in real time and auto-adjusts motor torque, needle penetration force, and thread tension mid-seam, no operator input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual alternating walking feet (variable stroke)\u003c\/strong\u003e — auto or manual activation via two knobs; superior feeding on uneven multi-layer leather, vinyl, and upholstery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple transport \/ unison feed\u003c\/strong\u003e — feed dog + needle + walking feet move together to prevent layer shifting and uneven stitch length on heavy materials\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary auto-activating thread tension\u003c\/strong\u003e — engages on detected overlap to keep both needle rows consistent across the entire seam\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e850W high-torque direct drive servo motor\u003c\/strong\u003e — strong low-speed pulling force through dense multi-layer assemblies without skipped stitches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eXXL 32 mm heavy-duty hook\u003c\/strong\u003e — 73% more bobbin capacity than a standard 2× hook; handles thick thread without jams, fewer bobbin changes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTouchscreen panel with voice guidance\u003c\/strong\u003e — icons and voice prompts for trimmer, backtack, foot lifter, and programmable functions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronic digital handwheel\u003c\/strong\u003e — micrometric adjustment with single-click half-stitch for precise needle placement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual needle pitch \/ one-button stitch length switch\u003c\/strong\u003e — switch between two stitch lengths with a single press for corners and detail work\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12 mm maximum stitch length\u003c\/strong\u003e — long, strong stitches for heavy decorative and structural seams\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2,600 stitches per minute\u003c\/strong\u003e — speed matched to double-needle heavy-material precision\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20 mm presser foot lift\u003c\/strong\u003e — clears thick, layered assemblies (pneumatic double-alternating lifter, requires external air compressor, min. 70 PSI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic thread trimming, back-tacking \u0026amp; smart bobbin thread warning\u003c\/strong\u003e — faster cycle time, clean seam starts\/ends, never sew empty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic lubrication\u003c\/strong\u003e — smooth running, minimal maintenance downtime\u003c\/li\u003e\n  \u003cli\u003eShips \u003cstrong\u003efully assembled with industrial table and stand\u003c\/strong\u003e, ready to sew\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive interiors — car seats, door panels, headrests, and trim with parallel double-topstitching\u003c\/li\u003e\n  \u003cli\u003eFurniture \u0026amp; upholstery — sofas, cushions, recliners, and decorative twin-needle seams\u003c\/li\u003e\n  \u003cli\u003eLeather goods — bags, belts, straps, and reinforced multi-layer panels\u003c\/li\u003e\n  \u003cli\u003eMarine \u0026amp; outdoor fabrication — boat covers, bimini tops, awnings, and outdoor cushions\u003c\/li\u003e\n  \u003cli\u003eFootwear and heavy accessories requiring twin parallel seams\u003c\/li\u003e\n  \u003cli\u003eAny heavy leather, vinyl, or coated-fabric work needing two consistent rows across changing thickness\u003c\/li\u003e\n  \u003cli\u003eShops that want the Z7's self-adaptive AI in a double-needle configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZ7-29100\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble Needle AI Walking Foot Lockstitch, Direct Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Sensor · Dual Needle Pitch · Dual Alternating Variable Walking Feet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLockstitch (ISO 301), 2-Needle\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Needles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Threads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 (2 needle + 2 bobbin)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeedle Gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/8\" (9.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeedle System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDP×35R (#21)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Sewing Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,600 sti\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Stitch Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Presser Foot Lift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 mm (pneumatic, double-alternating)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeed System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTriple Transport \/ Unison Feed (feed dog + needle + walking feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHook Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXXL 32 mm Heavy-Duty Hook (+73% bobbin capacity)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAI System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual real-time thickness sensor — auto-adjusts torque, penetration \u0026amp; tension\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Tension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrimary + Secondary auto-activating\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Panel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTouchscreen with Voice Guidance + Electronic Digital Handwheel (half-stitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutomatic Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThread Trimmer · Back-Tack · Foot Lifter · Bobbin Warning · Stitch Length Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e850W High-Torque Direct Drive Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLubrication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal air compressor for pneumatic foot lifter (min. 70 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e930 × 385 × 780 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (Net \/ Gross)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e66 \/ 81 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial Weight Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMedium to Heavy (leather, upholstery, vinyl, canvas)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTable \u0026amp; Stand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded — Ships Fully Assembled\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"JACK","offers":[{"title":"Default","offer_id":52354799927598,"sku":"Z7-29100","price":5215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/JACKZ710_9c4125cb-784e-40da-96bc-63dd242fea59.jpg?v=1785005531"}],"url":"https:\/\/suprasewing.com\/collections\/jack-leather.oembed","provider":"Supra Sewing Online, Llc","version":"1.0","type":"link"}