{"product_id":"speedway-sw6-4d","title":"SPEEDWAY SW6-4D 2-Needle 4-Thread Direct Drive Overlock Industrial Sewing Machine with 6,500 SPM Max Speed - Complete Setup, Fully Submerged Table Included","description":"\u003cp\u003eThe \u003cstrong\u003eSPEEDWAY SW6-4D\u003c\/strong\u003e is a 2-needle 4-thread direct drive overlock industrial sewing machine engineered for high-volume apparel production — T-shirts, knitwear, sportswear, blouses, dresses, uniforms, and light-to-medium woven garment seam finishing. Built around a fully integrated \u003cstrong\u003edirect drive servo motor\u003c\/strong\u003e (no belt, no power loss, lower noise), the SW6-4D delivers a max sewing speed of \u003cstrong\u003e6,500 sti\/min\u003c\/strong\u003e with smooth variable speed control.\u003c\/p\u003e\n\u003cp\u003eThis Speedway platform sits between the Jack E4S-4 and the JUKI MO-6814D family — a competitive direct drive option for shops upgrading from the legacy SW747e servo-belt configuration. The DC×27 (#11-#14) needle system handles light-to-medium fabrics with industrial-weight threads, while the adjustable differential feed ratio of 0.7 - 2 prevents stretching or puckering on knits and lets the operator dial in clean gathers when needed.\u003c\/p\u003e\n\u003cp\u003eComplete with industrial fully submerged table and stand, ready for immediate apparel production.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSPEEDWAY SW6-4D Direct Drive 2-Needle 4-Thread Overlock Machine Head (Ships Assembled)\u003c\/li\u003e\n  \u003cli\u003eIntegrated Direct Drive Servo Motor\u003c\/li\u003e\n  \u003cli\u003eIndustrial Fully Submerged Table \u0026amp; Stand\u003c\/li\u003e\n  \u003cli\u003eStandard Overlock Presser Foot Set\u003c\/li\u003e\n  \u003cli\u003eDC×27 (#11-#14) Needles and Standard Bobbins\u003c\/li\u003e\n  \u003cli\u003eStandard Accessories Kit\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\u003e2-needle 4-thread overlock (ISO 514 — mock safety stitch)\u003c\/strong\u003e — clean overedge seam finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect drive integrated servo motor\u003c\/strong\u003e — quieter, more responsive, lower energy use vs belt-driven setups\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6,500 sti\/min max sewing speed\u003c\/strong\u003e — high-throughput apparel production\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC×27 (#11-#14) needle system\u003c\/strong\u003e — industrial standard, widely available across suppliers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 mm overedging width\u003c\/strong\u003e — strong edge finishing on apparel seams\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eStitch length adjustable up to 4.5 mm\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBottom differential feed ratio 0.7 - 2\u003c\/strong\u003e — perfect stretch and gathering control on knits and stretch fabrics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2-row feed dog\u003c\/strong\u003e — clean, slip-free fabric movement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5.5 mm max presser foot lift\u003c\/strong\u003e — accommodates multi-layer assemblies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic lubrication\u003c\/strong\u003e — long service life, minimal maintenance\u003c\/li\u003e\n  \u003cli\u003eBalanced looper\/needle thread take-up — uniform stitch quality\u003c\/li\u003e\n  \u003cli\u003eLow vibration and operator-friendly thread path\u003c\/li\u003e\n  \u003cli\u003eShips \u003cstrong\u003ecomplete with fully submerged industrial table and stand\u003c\/strong\u003e, ready to run\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eT-shirt and knitwear manufacturing — sleeve hems, side seams, shoulder seams\u003c\/li\u003e\n  \u003cli\u003eActivewear and sportswear production\u003c\/li\u003e\n  \u003cli\u003eUniforms and workwear\u003c\/li\u003e\n  \u003cli\u003eLight to medium woven apparel\u003c\/li\u003e\n  \u003cli\u003eBlouses, dresses, and shirts — clean overedge finishing\u003c\/li\u003e\n  \u003cli\u003eChildren's wear and underwear panels\u003c\/li\u003e\n  \u003cli\u003eTape attaching, elastic insertion, edge binding on knits\u003c\/li\u003e\n  \u003cli\u003eGeneral apparel safety-stitch seam finishing in high-volume production\u003c\/li\u003e\n  \u003cli\u003eShops upgrading from legacy Speedway SW747e or similar servo-belt overlocks\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\u003eSpeedway\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSW6-4D\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Needle Overlock, Direct 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\u003e4-Thread Mock Safety (ISO 514)\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\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeedle System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC×27 (#11-#14)\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\u003e6,500 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\u003e4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOveredging Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeed Dog Rows\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDifferential Feed Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.7 - 2\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\u003e5.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeed Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrop Feed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlatbed\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\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Direct Drive Servo Motor\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\u003eHead Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e480 × 335 × 480 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 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\u003eLight to Medium\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTable Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully Submerged Industrial Table\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComplete Setup with Table and Stand\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShips Assembled\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"SPEEDWAY","offers":[{"title":"Default","offer_id":52230643745070,"sku":"SW6-4D","price":1495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/1514\/8334\/files\/SW6-4D1_79dd091e-4635-474e-8eb8-ecbb7f9f2f83.jpg?v=1782238121","url":"https:\/\/suprasewing.com\/products\/speedway-sw6-4d","provider":"Supra Sewing Online, Llc","version":"1.0","type":"link"}