Mfa 919dln series spur geared motor noise attenuated 35mm mfa 919d501ln spur geared metal gearbox 501 gear ratio 45 to 15v voltage rating 11w power rating 6000rpm no load speed 5216rpm maximum speed 126a load current 206g cm maximum continuous torque 1756g cm stall torque 35mm diameter 6mm shaft diameter 816mm long 343g weight powerful 5 pole motor the gearboxes are of all metal construction and employ planetary epicyclic gears for compactness and high torque transfer out