High-speed, single needle lockstitch machine. This machine has fully automatic lubrication, built-in motor and a separate control box. The bobbin winder is built-in the machine head. The Bobbin change over time will be reduced by 50% when compared to normal hook.
3900 DD
High-speed, single needle lockstitch machine. This machine has fully automatic lubrication, direct drive built-in motor and a separate control box. The bobbin winder is built-in the machine head.
3900 LH DD
Same as 3900 DD, but with large hook.
3900 AUT
All-in one, High-speed, single needle lockstitch machine with thread trimmer and automatic back tack. The machine has fully automatic lubrication and motor, control box and control panel are integrated in the machine. The bobbin winder is built-in the machine head. Presser foot lift is available as an option.
3900 LH AUT
Same as 3900 AUT, but with large hook.