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20.4:1 Metal Gearmotor 25Dx50L mm HP 12V

Pololu item #: 3203
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant


Price break Unit price (US$)
1 28.95
5 26.63
25 24.50
100 22.54


backorders allowed

This gearmotor consists of a high-power, 12 V brushed DC motor combined with a 20.4:1 metal spur gearbox. 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. This gearmotor is also available with an integrated encoder.

Key specifications:

voltage no-load performance stall extrapolation
12 V 500 RPM, 250 mA 7.4 kg⋅cm (100 oz⋅in), 5.0 A

Alternatives available with variations in these parameter(s): gear ratio motor type encoders? Select variant…

 Description Specs (19) Pictures (10) Resources (3) FAQs (3) On the blog (0) 

25D mm metal gearmotor.

Pololu 25D mm gearmotor with bracket.

Pololu 60×8mm wheel on a Pololu 25D mm metal gearmotor.

12mm Hex Wheel Adapter for 4mm Shaft on a 20D mm Metal Gearmotor.

Dagu Wild Thumper wheel 120×60mm (chrome) with Pololu 25D mm metal gearmotor.

Partially disassembled Dagu Wild Thumper 6WD chassis with one of the gearmotors visible.

Encoder A and B outputs for 25D mm HP 6V metal gearmotor with 48 CPR encoder (motor running at 6 V).

Encoder A and B outputs for 25D mm LP 6V metal gearmotor with 48 CPR encoder (motor running at 6 V).

Dimensions of the Pololu 25D mm metal gearmotors without encoders. Units are mm over [inches].

An assortment of Pololu metal gearmotors.


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Related Categories

12V High-Power (HP) 25D mm Gearmotors
25D Metal Gearmotors
Pololu Wheels and Tracks
RoboClaw Motor Controllers
Brushed DC Motor Controllers
Brushed DC Motor Drivers
Robot Controllers
Current Sensors
37D Metal Gearmotors
20D Metal Gearmotors
Micro Metal Gearmotors
Wild Thumper All-Terrain Chassis
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