Cat 3126 7.2 L Diesel 250 hp Engine, US EPA Label, Air Conditioner, Power Windows, 6-Speed Manual Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 194 in Wheelbase, 14 ft 6 in x 90 in Bed, Ingersoll Rand Air Compressor, Honda GX390 Gasoline Engine