YDL(DOL),YSL(AOL)series clutch Motors are designed with JB/T3698-92 and JB/T3699-92 respectively with sound structure, nice appearance, reliable performance and convenient maintenance. These series both characterized with low temperature, low noise, low vibration, big torque, high power factor and high efficiency. The specification can satisfy varied use. YDL(DOL), YSL(AOL)series clutch motors are the most optimal equipments for sewing machinery etc.