15.5D 115:1 Metal Gearmotor 15.5Dx30L mm

This metal gearmotor is a compact (29.5 x 15.5 x 15.5mm) brushed DC motor with an enclosed 115:1 metal gearbox. These units have a 9.3mm-long, 3 mm-diameter D-shaped output shaft. Key specs at 6 V: 140 RPM and 60 mA free-run, 35 oz-in (2.5 kg-cm) and 0.8 A stall.



No Stock Available

Our Code: MEC-30132

Supplier Link: [Pololu MPN:1598]


This brushed DC gearmotor has a long (0.365" or 9.27 mm), 3 mm-diameter D-shaped metal output shaft that matches our assortment of wheels . Alternatively, our 3mm universal mounting hub can be used to mount custom wheels and mechanisms to the gearmotor’s output shaft.

We also stock a mounting bracket to fit this motor.

Pololu 15.5D mm metal gearmotor bracket pair with 15.5D motor



The face plate has two mounting holes threaded for M2 screws. 

15.5D Gearmotor Dimensions




Size: 15.5D x 30L mm
Weight: 19 g
Shaft diameter: 3 mm

General specifications

Gear ratio: 115:1
Free-run speed @ 6V: 140 rpm
Free-run current @ 6V: 60 mA
Stall current @ 6V: 800 mA
Stall torque @ 6V: 35 oz·in / 2.5kg-cm 

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