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Description: 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.


  • 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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Customer Comments

  • 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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