







Using the large vertical rotating hooks.
① Divided into single needle, double needles, synchronous cog belt plunger pump lubrication system.
② The machine drive slide on comprehensive performance, low noise, high durability.
③ Especially suitable for car seat cushion, seat belts, air bags, also can be applicable to the tent, parachute and other large equipment, etc.
Product name  | 4420 heavy duty Triple Transport Feed Leather Sewing Machine for sofa  | 
Model  | ZL-4420  | 
Needle  | DY×17  | 
Presser lift height  | 13mm  | 
Max Sewing Speed  | 2000 s.p.m  | 
Presser foot lift  | 8-16 mm  | 
Dimension  | 1200*540*860 MM  | 
Max stitch length  | 9 mm  | 
Feed Mechanism  | Compound feed  | 
Characteristic  | Heavy duty compound feed lock stitch sewing machine series & double needles  | 






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