1000:1 Micro Metal Gearmotor HP 6V with 12 CPR Encoder, Side Connector

Pololu item #: 5177
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 33.95
5 31.23
25 28.74
100 26.44

backorders allowed

This is a miniature brushed DC metal gearmotor with a gearbox cross section of 10×12 mm and a 9 mm long, 3 mm diameter D-shaped gearbox output shaft. Cables sold separately.

motor/brush type gearbox encoder
HP 6V: high-power 6V with precious metal brushes 986.41:1 with brass plates 12 CPR incremental quadrature with side connector

voltage no-load performance stall extrapolation*
6 V 31 RPM, 100 mA 12 kg⋅cm (166 oz⋅in), 1.6 A
* Note: Stall torque and stall current specifications are theoretical values; stalls could damage the motor or gearbox.

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

 Description Specs (15) Pictures (26) Resources (3) FAQs (0) On the blog (0) 


Size: 10 × 12 × 35.5 mm1
Weight: 12 g
Shaft diameter: 3 mm2

General specifications

Gear ratio: 986.41:1
No-load speed @ 6V: 31 rpm3
No-load current @ 6V: 0.10 A4
Stall current @ 6V: 1.6 A5
Stall torque @ 6V: 12 kg·cm5
Encoder: 12 CPR encoder with side connector
Motor type: 1.6A stall @ 6V (HP 6V)

Performance at maximum efficiency

Max efficiency @ 6V: 28 %
Speed at max efficiency: 26 rpm
Torque at max efficiency: 2.0 kg·cm
Current at max efficiency: 0.32 A
Output power at max efficiency: 0.53 W


Output shaft adds 10 mm to the 35.5 mm length, and the encoder extends past the 10 × 12 gearbox cross section on three of the four sides. See dimension diagram for details.
D shaft.
Typical; ±20%.
Typical, ±50%; no-load current depends on internal friction, which is affected by many factors, including ambient temperature and duration of motor operation.
This is a theoretical value; stalling the gearbox output shaft could damage the gearbox.

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