GM 6 Cylinder 7.8 L Diesel Engine, Air Conditioner, Automatic Transmission, 27000 lb GVWR, 10R22.5 Front Tires, 10R22.5 Rear Tires, 12 ft 0 in Long x 4 ft 0 in High Steel Body, Flat Bed, Manual Roll Tarp, Swing Tailgate, Pintle Hitch