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125:1 Metal Gearmotor 20Dx44L mm 6V CB
These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor with long-life carbon brushes combined with a 125:1 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 18 mm from the face plate of the gearbox.
|voltage||no-load performance||stall extrapolation|
|6 V||110 RPM, 150 mA||6.4 kg⋅cm (89 oz⋅in), 2.9 A|
Note: the gearbox torque limit is 70 oz-in (5 kg-cm); see detailed description for important product limitations.
Alternatives available with variations in these parameter(s): gear ratio motor type extended motor shaft? Select variant…
Compare all products in 6V Carbon Brush (CB) 20D Gearmotors.
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Datasheet for Pololu 20D Metal Gearmotors (1MB pdf)
Dimension diagram for the Pololu 20D mm metal gearmotors (99k pdf)
3D models of 20D mm gearmotors (3MB zip)
This file contains 3D models (in the step file format) of the 20D mm gearmotors. Note: these models only accurately represent our newer versions with 18mm-long output shafts; they are not accurate representations of the older versions with shorter output shafts (i.e. gear ratios 29:1, 56:1, 73:1, and 154:1).