Consew CSM3000 Electric Brushless Servo Motor For Industrial Sewing Machines. Energy Effient - Saves up to 70% Electricity. 1HP, 750 Watts Powerful Heavy-Duty electric servo motor for any type of industrial sewing machines for light to heavy duty work including straight stitch machines, overlocks, zigzag stitching machines, blindstitch machines, heavy duty walking foot and heavy duty upholstery machines. Uses the same mounting holes as a clutch motor No noise or vibration when machine is not running Draws minimal electricity when machine is not running High Torque D.C. Electronic Servo Motor Easy to adjust speed & motor direction with buttons No clutch disc Adjustable belt tightener Belt guard, pulley & mounting hardware included Light weight Approx, 10-12 lbs. (5 kgs) Starts-up at low speed Works well on heavy duty machines Speed : 0 - 3,600RPM 110 Volt, 1HP, 750 Watts Includes power cord and plug (not shown in the photo.)