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View store informationSPEEDWAY SW-4400-L30 — Single Needle 30" Long Arm Heavy Duty Unison Feed Walking Foot Sewing Machine
Extra-Long Arm • Heavy Duty Power • Professional Control
The SPEEDWAY SW-4400-L30 is the extended 30" long-arm version of the proven SW-4400N platform, engineered for large-scale, heavy-duty sewing applications. With an impressive 30" x 6.5" clearance, this machine provides the workspace required to handle oversized assemblies such as tarps, tents, upholstery panels, automotive interiors, leather goods, and industrial covers.
Equipped with a 900W high-torque servo motor, needle positioner, pneumatic presser foot lift, and pneumatic reverse function, the SW-4400-L30 delivers smooth, powerful, and highly controlled performance—making it an ideal solution for professional workshops and production environments that demand strength, precision, and maneuverability.
Key Features
- 30" Long Arm Workspace: Exceptional clearance for oversized and bulky projects without folding or repositioning materials.
- 900W Servo Motor: Quiet, energy-efficient motor with strong torque for thick leather, canvas, and multi-layer assemblies.
- Unison Feed System: Walking foot, needle feed, and bottom feed move together for consistent material control.
- Pneumatic Presser Foot Lift: Lift the foot easily by pressing the pedal backward—ideal for heavy materials.
- Pneumatic Reverse Function: Convenient reverse stitching activated near the needle area.
- Needle Positioner: Automatically stops needle up or down for precise turning and cornering.
- Higher Presser Foot Lift: Adjustable from approx. 8 mm to 20 mm for thick layers.
- Dual-Tension Mechanism: Stable, high-tension stitching with thick upholstery threads.
- Safety Clutch: Protects the hook from damage; quick push-button reset.
- Manual Lubrication: Integrated oil pan for controlled and reliable maintenance.
Applications
- Large upholstery projects: sectional sofas, recliners, oversized cushions.
- Automotive & marine interiors: car seats, dashboards, boat seating, interior panels.
- Canvas & heavy textiles: tarps, tents, truck covers, awnings, industrial enclosures.
- Leather goods: saddlery, heavy bags, belts, protective gear.
- Industrial straps & webbing: cargo belts, harnesses, reinforced assemblies.
- Bulky multi-layer products: padded covers, mattress panels, thick seam reinforcements.
Technical Specifications
| Model: | SW-4400-L30 |
| Needles: | 1 (Single) |
| Machine Type: | Long Arm Heavy Duty Lockstitch |
| Arm Length: | 30" |
| Underarm Height: | Approx. 6.5" |
| Feed System: | Unison Feed (Walking Foot + Needle Feed + Bottom Feed) |
| Max Stitch Length: | Up to 9 mm |
| Presser Foot Lift: | Approx. 8–20 mm |
| Max Speed: | Up to 1,800 SPM* |
| Needle System: | DPx17 (#18–#24) |
| Motor: | 900W Servo Motor |
| Lubrication: | Manual with integrated oil pan |
| Air Requirement: | External air supply for pneumatic functions |
Advantages
- Unmatched 30" reach for oversized and heavy-duty sewing projects.
- Powerful servo motor ensures clean penetration on thick materials.
- Pneumatic and needle-positioning features reduce operator fatigue.
- Consistent stitch quality across multiple layers and dense fabrics.
- Complete industrial package ready for immediate production use.
The SPEEDWAY SW-4400-L30 is the ultimate solution for professionals who need maximum workspace, heavy-duty feeding power, and precise control. Designed for upholstery, leather, canvas, and industrial applications, it delivers the strength, space, and reliability required for the most demanding sewing tasks.
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