154:1 Metal Gearmotor 20Dx44L mm
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor combined with a 154:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 10.7 mm from the face plate of the gearbox.
Key specs at 6 V: 90 RPM and 250 mA free-run, 120 oz-in (8.6 kg-cm) and 3.2 A stall.
Alternatives available with variations in these parameter(s): gear ratio
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Note: This dimension diagram only applies to our older versions with shorter output shafts (gear ratios 29:1, 56:1, 73:1, and 154:1 only).
3D models of 20D mm gearmotors (1MB zip)
This file contains 3D models (in the step file format) of the 20D mm gearmotors. Note: these models only accurately represent to our older versions with shorter output shafts (i.e. gear ratios 29:1, 56:1, 73:1, and 154:1).