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3272_2 24V/50.9Kg-cm/53RPM 47:1 DC Gear Motor


This DC motor has a 47:1 gearbox, a rated speed of 53 RPM and rated torque of 51 Kg·cm.

  • 12mm Shaft

The 3272 is a 24 volt gear motor, generating 51 Kg-cm of torque at 53 RPM. It's a large motor that provides an amazing amount of torque.

The planetary gearbox on this motor is more sophisticated than a typical spur gearbox and will provide greater efficiency, higher torque, and quieter motor operation.


This revision of the 3272 has had its rear shaft and mounting holes changed to be compatible with the 3531 - Optical Rotary Encoder HKT22.

Motor Properties

Motor Type DC Motor
Output Power (Mechanical) 30 W
Maximum Speed at Rated Voltage 53 RPM
Rated Torque 43.8 kg·cm
Stall Torque 345 kg·cm

Electrical Properties

Rated Voltage 24 V DC
Rated Current 2.2 A
Stall Current 10.8 A

Physical Properties

Shaft Diameter 12 mm
Wire Length 300 mm
Weight 1.7 kg

Gearbox Specifications

Gearbox Type Planetary
Gear Ratio 46 82125 : 1
Number of Gear Trains 3
Maximum Strength of Gears 306 kg·cm
Shaft Maximum Axial Load 200 N
Shaft Maximum Radial Load 100 N
Backlash Error
warning The torque this motor produces when it stalls exceeds the rated strength of the gearbox. This means that stalling or very heavily loading this motor can cause serious damage to the gearbox. To avoid damage, avoid sudden loads or any load higher than the Maximum Strength of Gears spec.