This is a metal gearmotor manufactured by Pololu. It has a 20 × 44 mm form factor, a 12 V supply voltage, and an overall length of 125:1. It is a high-power, high-efficiency motor with an operating speed of about 63 RPM, a no-load current of about 0.12 A and a stall current of about 6.7 A. It can produce up to 40 kg-cm of torque, and has a gearbox with metal gears and gearbox housing. It is suitable for use in a variety of applications such as power chairs, cranes, robotics, conveyors, and agricultural machinery.