This is a set of wheelchair motors. They make great heavy duty robot motors. One left motor and one right motor (sold as a pair, we will not split the packages). They are right angle gear drives with a release (for free wheeling) and electric brakes on the motor. They are 24VDC and the operating speed is 135 RPM. As an option you can select for us to add encoders to the back of the motors. We use USDigital encoders part number E2-500-315-NE-D-G-1.
We recommend using one of the following motor controllers with this motor:
Due to the weight of these items, they do not qualify for free domestic shipping. (About 37lbs packed up.)