28mm Planetary DC Gear Motors:
This is a great quality range with high power outputs. Most planetary gearmotors this size have a maximum capacity about one third of what these units do. They are built with extremely strong metal gears to be able to handle the amount of torque they produce. If you are after a high powered yet small sized unit them look no further! Planetary gear motors have a very high efficiency and are a great option when you need low speeds with high power.