AmpFlow chain-drive gearmotor with high torque reduction

AmpFlow Gearmotors

AmpFlow's unique chain-drive speed reducers are a low-cost, high-torque alternative to expensive gearheads. Available with reduction ratios from 4:1 to 27:1, they are ideal for robotics, industrial motion control, and electric vehicles. It is a great choice when torque, efficiency, and economy are critical.

AmpFlow planetary gearmotor with optical encoder for precision positioning

Planetary Gearmotors

For high precision and low backlash, nothing beats a planetary gearmotor. AmpFlow planetary gearmotors are available with optical encoders for accurate positioning, making them ideal for CNC machines, robotics, and precision motion control.

AmpFlow low-speed high-torque gearmotor with 150:1 reduction ratio

Low Speed/High Torque Gearmotors

AmpFlow has developed this compact gearmotor with a 150:1 reduction ratio for applications requiring extreme torque at very low speeds. With an output of just 30 RPM, it delivers maximum torque for conveyors, lifts, and heavy-load applications.

AmpFlow heavy-duty large gearmotor with 2.5-inch output shaft bearings

Larger Gearmotors

This heavy-duty gearmotor features a large output shaft supported by two 2.5-inch bearings. It is designed for applications requiring high torque and heavy loads. The 4-inch diameter, 500W motor includes a built-in fan for continuous all-day operation.


AmpFlow gearmotors combine high-performance brushed DC electric motors with precision gear reducers to deliver high torque at low speeds. Whether you need a compact planetary gearmotor for precise positioning, a unique chain-drive reducer for a mobile robot, or a low-speed, high-torque gearmotor for industrial machinery, AmpFlow has the right solution. All gearmotors are in stock and ready to ship. Need a custom reduction ratio or configuration? Contact us to discuss your requirements.