The SPEEDWAY SW-4400-L18 is an industrial single-needle long-arm heavy-duty triple feed walking foot machine built for oversized, multi-layer projects that demand extended clearance and serious power. With an 18″ arm, 6.5″ height clearance, 900W belt-driven servo motor, and dual-tension mechanism for thick threads, it handles leather, canvas, upholstery, marine interiors, and industrial straps at up to 2,500 SPM — delivered fully assembled with table and stand.
18″ long arm + 6.5″ height clearance — extended workspace for oversized upholstery panels, boat covers, automotive interiors, and large multi-layer assemblies
Unison feed (walking foot) system — synchronized top and bottom feeding with rectangular feed mechanism prevents slipping on leather, vinyl, and heavy multi-layer materials
900W high-torque belt-driven servo motor — delivers exceptional power for heavy-duty penetration while remaining quiet and energy-efficient
Dual-tension mechanism — supports high-tension stitching with thick threads for maximum seam strength on the heaviest materials
Adjustable presser foot lift (8–20 mm) — accommodates thick stacks of fabric or leather with ease
Max 9 mm stitch length — versatile stitch range for both functional and decorative heavy-duty applications
Safety clutch — protects the hook from damage during difficult material transitions; reset with a simple button press
Ideal For
Large upholstery projects — sofas, sectionals, oversized cushions, and furniture panels
Automotive and marine interiors — car seats, dashboards, boat seats, and interior trim
Canvas and heavy textiles — tents, tarps, truck covers, and industrial enclosures
Leather goods — saddlery, heavy bags, protective gear, and multi-layer leather work
Industrial straps and webbing — cargo belts, safety harnesses, and load-bearing assemblies
