... Regulating Asynchronous Motor,YJ19,YJ19A AND YJ19B Motor YJ19,YJ19A AND YJ19B MotorYJ19,YJ19A AND YJ19B Motor are cage variable ... in China. They can drive rotary table, winch and slurry pump and sone other unit of the oil-drilling machine. ... Large torque, wide range constant power speed regulating, free maintenance, high universality, efficiency and reliability. The terminal mode of each motor is ...