Cat C12 12.0 L Ultra Low Sulfur Diesel 340 hp Engine, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, Aluminum Front Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Air Lift Pusher Axle, Dual Steering Boxes, Double Frame, Spring over Walking Beam Suspension, 211 in Wheelbase, PTO, OX Bodies 17 ft Long x 5 ft 4 in High Steel Body, Electric Roll Tarp