Pololu Pololu 12V, 20:1 Metal Gear Motor HP w/ 48 CPR Encoder

This Pololu 12V, 20:1 Metal Gear Motor HP w/ 48 CPR Encoder consists of a high-power, 12 V brushed DC motor combined with a 20.4:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 979.62 counts per revolution of the gearbox’s output shaft. Pololu 20:1 Metal Gear Motor HP w/ 48 CPR Encoder; Nominal Voltage: 12 V; No Load RPM: 500 rpm; Stall Current: 5600 mA; Stall Torque: 85 oz·in; Shaft Diameter: 4 mm