Chevy Durmax 6.6 L Diesel 300 hp Engine, 2006 US EPA Label, Air Conditioner, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 17500 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 152 in Wheelbase, Service Bodies 11 ft Body, North Star Gasoline Air Compressor, Air Hose Reel