Pololu Pololu 12V, 75:1 Metal Gear Motor HP w/ 48 CPR Protected Encoder

This Pololu 12V, 75:1 Metal Gear Motor HP w/ 48 CPR Protected Encoder consists of a high-power, 12 V brushed DC motor combined with a 74.83:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 3591.84 counts per revolution of the gearbox’s output shaft. Pololu 12V, 75:1 Metal Gear Motor HP w/ 48 CPR Protected Encoder; Nominal Voltage: 12 V; No Load RPM: 130 rpm; Stall Current: 5600 mA; Stall Torque: 240 oz·in2; Shaft Diameter: 4 mm