Our standard AC induction gear motors and reversible gear motors includes 4, 6, 10, 15, 20, 25, 30, 40, 60, 90, 120, 140 and 200 Watt motors which can be integrated with 3:1 through 180:1 ratio gear heads (22 different ratios). There are mainly four type: Fixed Speed Motors, Variable Speed Motors, Electromagnetic Brake Motors and Torque Motors...