Dimensions(mm): 403x202x450, Weight(g): 790 * Speed(at 48V sec/60): 20, Torque(at 48V oz-in): 4170 * Speed(at 60V sec/60): 16, Torque(at 60V oz-in): 500 * Gear: Unique Steel, Bearing: 2BB * Case: Full Aluminum, 25 Tooth Spline