DC Geared Motor with Encoder

This is a Gear Motor w/Encoder (model GB37Y3530-12V-251R). It¡¯s a 12V motor with a 43.8:1 metal gearbox and an integrated quadrature encoder (16 counts/rev motor shaft, 700 counts/rev output shaft). The 0.61" long, 6 mm D-shaped output shaft suits applications. It starts at 1V, with six M3 threaded mounting holes (15.5 mm apart, regular hexagon) on the face plate.