99:1 Metal Gearmotor 25Dx54L mm MP 12V

The Pololu 99:1 Metal Gearmotor 25Dx54L mm MP 12V is a medium-power gearmotor that combines a 12V brushed DC motor with a 98.78:1 metal spur gearbox. Its cylindrical body measures just under 25mm in diameter, and it features a 4mm diameter D-shaped output shaft that extends 12.5mm from the gearbox's face plate. For additional functionality, this gearmotor can also be purchased with an integrated encoder.

The key specifications of this gearmotor include a voltage of 12V, a no-load performance of 79 RPM and 80 mA, and a stall extrapolation of 11 kg⋅cm (150 oz⋅in) and 1.8 A. These specifications make it a robust and reliable choice for a variety of applications.

Whether you're building a robot, a remote-controlled car, or any other device that requires precision movement, this gearmotor is an excellent choice. Its sturdy metal gearbox ensures longevity and durability, while the medium-power motor provides enough torque for most medium-duty tasks.

The unique feature of this gearmotor is its 98.78:1 metal spur gearbox. This high gear ratio means that the motor spins almost 100 times for every single rotation of the output shaft, providing exceptional precision and control over the speed and direction of your device.

Another key benefit of the Pololu 99:1 Metal Gearmotor is its compact size. With a diameter of just under 25mm, it's small enough to fit into tight spaces, yet powerful enough to drive a variety of devices. The D-shaped output shaft is also a practical feature, as it makes it easy to mount wheels, gears, or other components.