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Pololu HPCB engine with 15: 1 transmission View larger

15:1 Micro Metal Gearmotor HPCB 6V

Miniature, 12V brush DC motor with metal gear and 15.25:1 gear ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft with a length of 9 mm and a diameter of 3 mm. Pololu 4786

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ID: 577691

17,81€ gross (23% VAT)
14,48€ net

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Data sheet

DC motor powerHPCB
Gear materialMetal
Gear ratio15,25:1
Rotation speed2100 RPM
Shaft diameter3 mm
Shaft shapeD
Obustronny wał silnikaNie
Power supply voltage6V

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Pololu DC motor equipped with a 15,25:1 metal gear ratio. The motor is designed for 6 V power supply and generates a torque of 0.25 kg * cm. The current consumed by the loaded motor is about 100 mA, while the maximum current consumed under load is 1500 mA. In this set, the manufacturer used the HPCB series engine, which means that it is equipped with carbon brushes. It is a much more durable solution than the brushes made of metal plates used so far. The transmission has a D-shaped output shaft with a diameter of 3 mm, which simplifies the installation of the further part of the drive system.


  • Nominal motor operating voltage: 6 V
  • Nominal unloaded motor current: 100 mA
  • Nominal loaded motor current: 1500 mA
  • Nominal engine speed at 6 V: 2100 rpm
  • Metal gear ratio: 15:1
  • Torque: 0.25 kg*cm [0,024 Nm]
  • Double-sided shaft
  • Dimensions: 26 x 10 x 12 mm
  • Weight: 9.5 g