Cummins 6 Cylinder 6.7 L Diesel Engine, Air Conditioner, Cruise Control, Engine Brake, Automatic Transmission, 7250 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 169 in Wheelbase, Mountainer 12 ft 6 in Body, Ingersoll-Rand 2475 Gasoline Air Compressor