Cummins B5.9-175 5.9 L Diesel 175 hp Engine, Air Conditioner, Automatic Transmission, 7000 lb Front Axle, 16900 lb Rears, 23900 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 237 in Wheelbase, 16 ft x 102 in Bed, Ball