210:1 Micro Metal Gearmotor (High Power)

This high quality, high power miniature 6V gear motor has a 210:1 gear ratio and is similar to Sanyo's popular 12mm gearmotors. The 3mm D-shaped output shaft is 9.3mm long to enable press fitting to many different wheels. Key specs at 6 V: 140 RPM and 70 mA free-run, 50 oz-in (3.6 kg-cm) and 1.6 A stall.

AUD$ 30.95

In stock in Australia  

Shipping from $2.90

+164 more from our supplier in 7-10 days

Our Code: MEC-30125

Supplier Link: [Pololu MPN:996]



Designed for operation at 6V the motor is suitable over a range of about 3-9V beyond which the performance or motor life may degrade.

Key specs at 6 V: 140 RPM and 70 mA free-run, 50 oz-in (3.6 kg-cm) and 1.6 A stall.

Mounting Wheels & Encoders

The 3mm diameter output shaft is longer than many other similar motors at 9.3mm and is D shaped to fit many wheels including our 32x7mm and 42x19mm wheels.

The motor is suitable for use with the Pololu quadrature encoder when teamed with the 42x19mm wheel and extended mounting brackets.

Mounting the Motor

Two M1.6 screw holes are available on the face plate of the motor to mount the motor on the inside of a chassis or alternatively the micro metal gearmotor mounting bracket or extended micro metal gearmotor mounting bracket can be used.


Size 24 x 10 x 12 mm
Weight 0.34oz / 9.6g
Gear Ratio 210:1
Shaft 3mm Ø, 9.6mm length, D shaft
Free-run speed @ 6V 140RPM
Free-run current @6V 70mA
Stall current @6V 1600mA
Stall torque @6V 50oz-in / 3.6kg-cm


All the micro metal gear motors have the same dimensions but vary in gear ratios and motor power.

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