SPEEDWAY SW-4420-L18 Double Needle 3/8"
SPEEDWAY SW-4420-L18 Double Needle 3/8"
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Pickup available at: 8701 Catbriar Bay Way, Orlando, FL 32829
Usually ready in 2–5 days (sometimes sooner).
View store informationSPEEDWAY SW-4420-L18 Double Needle 3/8" Long Arm Heavy Duty Walking Foot Sewing Machine
Long Arm • Double Needle • Unison Feed
The SPEEDWAY® SW-4420-L18 is a professional-grade, double needle, long-arm industrial sewing machine engineered for oversized and heavy-duty applications. As the twin-needle version of the popular SW-4400N-L18, it features an extended 18” x 6.5” clearance that provides exceptional workspace for large assemblies. Designed for precision and strength, this machine delivers clean, parallel seams and consistent stitch quality on thick, multi-layer materials such as leather, canvas, upholstery, and industrial textiles.
Key Features
- Double needle configuration with 3/8" (10 mm) needle gauge
- 18” long arm x 6.5” height for oversized projects
- Unison feed walking foot system for stable fabric movement
- High-torque 900W servo motor — quiet and energy-efficient
- Maximum sewing speed up to 2,500 stitches per minute
- Dual tension system for thick threads and heavy materials
- Rectangular feed mechanism for smooth, consistent stitches
- Safety clutch to protect the hook (easy push-button reset)
Applications
Built for demanding professional environments, the SW-4420-L18 is ideal for:
- Upholstery and furniture production
- Leather goods and saddlery
- Bags, backpacks, and luggage
- Canvas covers, tarps, and tents
- Automotive and marine interiors
- Decorative and reinforced double-needle seams
Technical Specifications
| Model | SPEEDWAY SW-4420-L18 |
| Machine Type | Double Needle Walking Foot (Unison Feed) |
| Needle Gauge | 3/8" (10 mm) |
| Clearance Area | 18" x 6.5" |
| Maximum Speed | Up to 2,500 SPM |
| Stitch Length | Max 9 mm |
| Presser Foot Lift | 8 mm – 20 mm |
| Needle System | DPx17 (#18–24) |
| Lubrication | Manual with integrated oil pan |
What’s Included
- SPEEDWAY SW-4420-L18 machine head
- 900W high-torque servo motor
- Industrial table with wheels
- Steel stand / legs
- Foot pedal and complete mounting hardware
Commercial Summary:
The SPEEDWAY SW-4420-L18 is a powerhouse double needle long-arm sewing machine built
for professionals who demand space, strength, and precision. Fully assembled and
ready to work, it excels in heavy-duty production where clean parallel seams,
high-torque performance, and extended working clearance are essential for success.
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