This motor is a larger NEMA-17 motor that produces a whopping 4800g-cm of holding torque.
This "030" form factor motor replaces the old Mabuchi FF-030 we used to stock, and is still a good candidate for torquey Solarengine and small battery-powered robots.
Need more power out of your gear motor? This is a high-power motor that fits in the same form factor as used by the GM2/3/8/9 style gear motors.
This surplus wheel set comes with one motor, two sets of wheels (two standard, two wide plastic studded tires and plastic hubs) and four guide rollers.