Heavy duty commercial gearbox with 3:1 gear ratio develops 729 ft.-lbs. of torque at 180 RPM. Shielded drive shaft with commercial grade cross journals and quick disconnect lock ring design for tractor connection. 3-point Category I linkage; Category II requires bushings. Boom and U-frame assemblies of 2 7/8in. diameter structural pipe. Available with 6in., 9in. 12in. and 14in. augers sold separately. Truck Ship. U.S.A.