12V Carbon Brush (CB) 20D Gearmotors

Compact brushed DC gearmotors with carbon brushes and metal spur gearboxes provide a high power‑to‑size ratio for small drive systems, gear‑reduced actuators and slow, high‑torque mechanisms. Their small diameter and short length make them suitable for tight assemblies where space is limited.

Long‑life carbon brushes improve service life under normal use while metal gear trains give durable, predictable gearing across a wide span of reductions. Variants include different shaft lengths and mounting footprints. Electrical and mechanical simplicity makes them easy to drive with basic motor controllers and straightforward to integrate into wheeled platforms, linkages and prototypes.