FREE Shipping to 36 States — on every order
All other states*: FREE on orders $3,000+ *Contiguous US & Puerto Rico
Bobbin Case for SPEEDWAY SW4400 / SW4400L / SW4420 – Genuine OEM Replacement for L18, L25 & L30 Long Arm Models
- Condition:
- New
- Shipping:
- Free Shipping assembled in the USA!*
Bobbin Case for SPEEDWAY SW4400 / SW4400L / SW4420 – Genuine OEM Replacement for L18, L25 & L30 Long Arm Models is backordered and will ship as soon as it is back in stock.
Frequently asked
Warranty & support?
Yes — on top of the manufacturer's warranty, Supra Sewing backs your machine with our own coverage: 90 days on mechanical defects and 12 months on electrical & electronic parts — and since this is a Speedway, your electrical & electronic parts are covered for 18 months, serviced by our in-house techs in Miami, FL. Support in English & Spanish: +1 (954) 681-3894 or WhatsApp.
Bobbin Case for SPEEDWAY SW4400 / SW4400L / SW4420 – Genuine OEM Re...
Have Questions?
We're Top Distributors
Best Market Prices!
In-House Experts
We know our machines!
Financing Options
Buy Now, Pay Later!
Nationwide Delivery*
Arrives in record time!
Description
Description
The Speedway Bobbin Case is a genuine Speedway replacement part designed for the SPEEDWAY SW4400 and SW4420 series industrial walking foot sewing machines, including all long arm variants. Manufactured to OEM specifications for precise fit, smooth bobbin rotation, and reliable stitch formation.
Compatible Machines
- SPEEDWAY SW4400 – Standard Walking Foot
- SPEEDWAY SW4400L – Long Arm Walking Foot
- SPEEDWAY SW4400-L18 – 18" Long Arm
- SPEEDWAY SW4400-L25 – 25" Long Arm
- SPEEDWAY SW4400-L30 – 30" Long Arm
- SPEEDWAY SW4420 – Double Needle Walking Foot
- SPEEDWAY SW4420-L18 – Double Needle 18" Long Arm
- SPEEDWAY SW4420-L25 – Double Needle 25" Long Arm
Also commonly referred to as: Speedway 4400, 4400L, 4420, L18, L25, L30 bobbin case.
This bobbin case is designed to work with the Original Japanese OEM Hook for SPEEDWAY SW4400L, which shares the same machine compatibility list.
Technical Specifications
| Brand | Speedway |
| Part Type | Bobbin Case |
| Machine Series | SW4400 / SW4420 Series (Walking Foot / Long Arm) |
| Compatible Models | SPEEDWAY SW4400, SW4400L, SW4400-L18, SW4400-L25, SW4400-L30, SW4420, SW4420-L18, SW4420-L25 |
| Condition | New – OEM Original |
Looking for a replacement bobbin case for your SPEEDWAY SW4400, SW4400L, SW4420, or long arm L18 / L25 / L30 machine? This genuine OEM part ensures smooth bobbin thread delivery, consistent tension, and reliable performance. Shop with confidence — all parts ship from Miami, FL.
⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final.
-
Contact us!
Expert advice available at +1-954-681-3894
