Cummins ISM 10.8 L Diesel 307 hp Engine, Air Conditioner, Cruise Control, Eaton Fuller Manual Transmission, Differential Lock, 18000 lb Front Axle, 40000 lb Rears, 4.33:1 Axle Ratio, 62000.0 lb GVWR, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Double Frame, Spring Suspension, 219 in Wheelbase, PTO, Blower