20.4:1 Metal Gearmotor 25Dx65L mm HP 12V with 48 CPR Encoder

PololuSKU: EXP-R25-1391

Sale price48,95 €

excl. VAT plus Versand

Only 3 units left

Manufacturer Product Number: 4843
Taric: 85011091
Country of origin: CN

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This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 20.4:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 979.62 counts per revolution of the gearbox?s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.


  • Size: 25D x 69L mm
  • Weight: 98 g
  • Shaft diameter:4 mm
  • Gear ratio: 20.4:1
  • No-load speed @ 12V: 500 rpm
  • No-load current @ 12V: 300 mA
  • Stall current @ 12V: 5600 mA
  • Stall torque @ 12V: 6 kg?cm
  • No-load speed @ 6V: 250 rpm
  • Stall current @ 6V: 2800 mA
  • Stall torque @ 6V: 3 kg?cm
  • Lead length: 20cm
  • Motor type: 5.6A stall @ 12V (HP 12V)
  • Encoders?: Y

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This depends on where you are located. After the order is handed over to UPS, the delivery time in Germany is about 2-3 days, within Europe about 1 week.

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