... component 3.Exported all over the world 1.General:UMC Drive Line Coupler Assembly with our new higher torque, longer ... duty environments: heavy soils, Larger tire diameter, Higher torque motors, and stronger gearboxes..Designed and tested under extreme ... torque, slow–speed conditions with severe back driving.Curved pressure pads compensate for out of line conditions.One year limited warranty. 3/4 ...