1-needle long-arm lockstitch machine with unison feed for sewing heavy materials such as leather, furniture and car upholstery. Machine is equipped with automatic foot lifter and a knob to adjust the foot height. The machine has a large hook with increased capacity. Distance from the needle bar to the machine body 650mm. The energy-saving servo motor is mounted under the machine top. For proper operation, a compressed air connection is required (pneumatic foot lift).