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View store informationSPEEDWAY SW-4400-L18 — Single Needle Long Arm Heavy Duty Unison Feed Walking Foot Sewing Machine (Assembled)
Long-arm, high-torque package for oversized and heavy materials — 18" × 6.5" clearance.
Overview
The SPEEDWAY SW-4400-L18 is the extended-arm version of the SW-4400N, engineered for professional upholstery, canvas, leather, and multi-layer assemblies. Its 18" x 6.5" working clearance, unison feed (walking foot) system, and vertical-axis large hook deliver stable feeding, uniform stitches, and dependable performance on bulky projects.
Key Features
- Extended Work Area: 18" throat depth × 6.5" height for large panels and bulky assemblies.
- Unison Feed (Walking Foot) + Rectangular Feed: Smooth, consistent feeding on heavy materials and multi-layer stacks.
- High-Torque Servo: 900W direct-drive style performance; up to 2,500 SPM with low vibration and precise control.
- Dual-Tension Mechanism: Stable control with thick threads for high-tension seams.
- Presser Foot Lift: Adjustable 8 mm–20 mm to accommodate thick builds and transitions.
- Max Stitch Length: Up to 9 mm for versatile heavy-duty applications.
- Safety Clutch: Protects the hook; quick push-button reset.
- Manual Lubrication System: Integrated oil pan and service points for long service life.
Applications
- Large upholstery: sofas, sectional couches, oversized cushions
- Automotive & marine interiors: seats, panels, dashboards, boat seating
- Canvas & heavy textiles: tents, tarps, truck covers, industrial enclosures
- Leather goods: saddlery, heavy bags, protective gear, multi-layer leather
- Industrial straps & webbing: cargo belts, safety harnesses, reinforced items
- Bulky multi-layer assemblies requiring extended workspace
Machine Specifications
| Model | SPEEDWAY SW-4400-L18 Long Arm |
| Clearance (Throat × Height) | 18" × 6.5" |
| Motor | 900W high-torque servo |
| Sewing Speed | Up to 2,500 SPM |
| Stitch Length | Max 9 mm |
| Presser Foot Lift | 8 mm–20 mm (adjustable) |
| Feed System | Unison feed (walking foot) + rectangular feed |
| Needle System | DPx17 (#18–24) |
| Hook | Vertical-axis large hook |
| Safety | Integrated safety clutch with reset |
| Lubrication | Manual, integrated oil pan |
| Configuration | Complete set: machine head, industrial table with wheels, servo motor (assembled) |
Package Summary
Delivered fully assembled and production-ready. The SW-4400-L18 combines extended clearance, high-torque drive, unison feed, and dual-tension control for reliable stitch quality on oversized, heavy-duty work.
