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.
The RF500TB is a very efficient, powerful, slow pancake motor.
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.