Solarbotics RM3 (Replacement Motor for GM2/3/8/9, Regular Motor 3)

This is the standard brushed DC motor found in the GM2, GM3, GM8, and GM9 gear motors from Solarbotics. It comes with an 8-tooth pinion gear, and motor replacement is a snap! The RM3 can even be used to replace the higher-current FA-130 motors in many of the Tamiya gearboxes.