Pololu's compact brushed DC gearmotors pack a punch despite their size. This specific model features a 6V brushed DC motor with durable carbon brushes. It also boasts a 25:1 metal spur gearbox, ensuring maximum power output and long-lasting performance. The cylindrical gearmotor has a diameter of 20mm, while the D-shaped output shaft measures 4mm in diameter and extends 18mm from the face plate of the gearbox.The key specifications of the gearmotor include a voltage of 6V, no-load performance of 570 RPM and 150 mA, and stall extrapolation of 1.6 kg⋅cm (approximately 22 oz⋅in), 2.9 A. This makes it a versatile choice for a variety of applications. Pololu's 25:1 Metal Gearmotor is ideal for many uses, from robotics to DIY projects, and everything in between. The robust construction and high-quality components ensure reliable operation, while the compact size allows for easy integration into a wide range of designs and systems. The unique properties of the Pololu gearmotor, such as the long-life carbon brushes and the metal spur gearbox, make it a superior choice. These features not only prolong the lifespan of the gearmotor but also enhance its performance, providing a consistent power output. The gearmotor's small size and powerful performance make it a versatile and reliable choice for a wide range of applications.