Single Needle Lockstitch Machine with Top and Bottom Feed, Full Automatic 303D4-12

Direct Drive Fully Automatic Top and Bottom Feed Heavy Duty Lockstitch Sewing Machine

New generation of “smart” single needle computer controlled Direct Drive top and bottom feed heavy duty lockstitch sewing machine
with automatic functions industrial sewing machine for leather and super-heavy materials.
This model is equipped with a double-feed mechanism of the material with the top walking foot and the bottom-feed.
Dual mechanism of feeding, move fabric by the bottom-feed and walking foot, due to two driving mechanisms.
Hook size increased by 30% to be able to work with thick thread. Using large hook, reducing the number of change the bottom stitching line,
improve working efficiency. Use the built-in servo motor direct drive, to achieve a quick start and brake the machine precision
while the use of advanced interated computer control technology, stable performance, strong anti-interference ability.
Automatic lubricating device to increase machine use life.
This model is perfect for sewing thick materials, leather goods, car seats, upholstered furniture, widely used in bags, belts, military equipment.

Max. sewing speed 2500 spm 
Max. stitch length 12.0 mm
Transport types with Top and Bottom Feed
Large touch screen
Thread trimming
Thread nipper
Automatic presser foot lift
Automatic back tack
Horizantal hook 26mm
Needle system DPx17
Stitch type 301 (Lockstitch)
Presser foot lift height with lever by hand 6 mm
Automatic presser foot lift height 16 mm 
Direct drive servo motor 750W
Connection voltage, single-phase a.c. 230 V, 50/60 Hz