Pololu presents its compact brushed DC gearmotors, a powerhouse in a small package. This model features a 6V brushed DC motor equipped with durable carbon brushes, paired with a 195.3:1 metal spur gearbox, offering high durability and performance. The cylindrical gearmotor measures a mere 20mm in diameter, while the D-shaped output shaft is 4mm in diameter and extends 18mm from the gearbox's faceplate. This version also boasts a 6x2mm extended motor shaft for added versatility. The compact size of these gearmotors makes them ideal for projects where space is a premium but high power is still required. Whether you're designing a small robot, a miniature model, or any other compact mechanical project, these gearmotors are a perfect fit. Key specifications include a voltage of 6V, no-load performance of 73 RPM and 150 mA, and stall extrapolation of 9.4 kg⋅cm (130 oz⋅in), 2.9 A. It's important to note that the gearbox torque limit is 5 kg-cm, so be sure to consider this when planning your project.These gearmotors are not just about power and performance, they also offer longevity. The inclusion of long-life carbon brushes ensures that these gearmotors will keep your projects running smoothly for a long time. The extended motor shaft adds an extra level of functionality, making these gearmotors a versatile choice for a wide range of applications. In summary, Pololu's brushed DC gearmotors offer a compact yet powerful solution for your mechanical projects. With their high performance, durability, and extended lifespan, these gearmotors are a valuable addition to any project.