75:1 Micro Metal Gearmotor HP 6V with Extended Motor Shaft

75:1 Micro Metal Gearmotor HP 6V with Extended Motor Shaft


This gearmotor is a miniature high-power, 6 V brushed DC motor with a 75.81:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

This version also has a 4.5 × 1 mm extended motor shaft.

In Stock

These tiny brushed DC gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and with five different motors: high-power 6 V and 12 V motors with long-life carbon brushes (HPCB), and high-power (HP), medium power (MP), and low power (LP) 6 V motors with shorter-life precious metal brushes. The 6 V and 12 V HPCB motors offer the same performance at their respective nominal voltages, just with the 12 V motor drawing half the current of the 6 V motor. The 6 V HPCB and 6 V HP motors are identical except for their brushes, which only affect the lifetime of the motor.

Versions of these gearmotors are also available with an additional 1 mm-diameter output shaft that protrudes from the rear of the motor. This 4.5 mm-long rear shaft rotates at the same speed as the input to the gearbox and offers a way to add an encoder, such as our encoders for micro metal gearmotors (see the picture on the right), to provide motor speed or position feedback.

With the exception of the 1000:1 gear ratio versions, all of the micro metal gearmotors have the same physical dimensions, so one version can be easily swapped for another if your design requirements change.


Size: 10 × 12 × 26 mm
Weight: 9.5 g
Shaft diameter: 3 mm

General specifications:

Gear ratio: 75.81:1
No-load speed @ 6V: 410 rpm
No-load current @ 6V: 0.07 A
Stall current @ 6V: 1.6 A
Stall torque @ 6V: 1.3 kg·cm
Max output power @ 6V: 1.4 W
Extended motor shaft?: Y
Motor type: 1.6A stall @ 6V (HP 6V)

Performance at maximum efficiency:

Max efficiency @ 6V: 40 %
Speed at max efficiency: 340 rpm
Torque at max efficiency: 0.23 kg·cm
Current at max efficiency: 0.34 A
Output power at max efficiency: 0.80 W

Specific References

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