1-needle lockstitch sewing machine designed for sewing medium and heavy materials, ie work clothes, upholstery materials, leather, etc. Special transport mechanism enabling to obtain stitch length up to 7 mm. The machine is equipped with an energy-saving servo motor with needle positioning as well as automatic electromagnetised thermo functions: thread cutting, foot lift, initial and final locking, thread wiper and a clear and easy-to-use control panel. Sewing speed 3,500 spm, lifting height 13 mm, needle bar 35 mm, central lubrication. Needle system DBx1 # 20- # 23. Engine and table in the price of the device.