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Standard Gearmotor - 81 RPM (3-12V)

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 50:1 and operate up to 12 volts and deliver a stall torque of 57 oz-in. and a max speed of 81 RPM. Each standard gearmotor sports a 6mm diameter D-shaft.

Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor.
  • Voltage: 3 - 12 Volts
  • Gear Ratio: 50:1
  • Stall Torque: 57 oz-in. (@ 12V)
  • Speed: 81 RPM (@ 12V)
  • No Load Current: 195 mA (@ 12V)
  • Stall Current: 0.5A (@ 12V)
  • Insulation Resistance: 10 MOhm
  • Dielectric Strength: 300VDC
  • DC Reversible
  • Shaft Size: 6mm Diameter x 0.715” Length
  • Weight: 4.2 oz.

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Standard Gearmotor - 81 RPM (3-12V) Product Help and Resources

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Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • Lil Dutchie / about 10 years ago / 1

    On the manufacturer website (Pololu), it says that stall current is 5A, not 0.5A ... is this a specs error or am I looking at completely different gearmotors (although they appear identical otherwise) http://www.pololu.com/category/116/37d-mm-gearmotors

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