Duramax V8 Diesel Engine, 2005 US EPA Label, Air Conditioner, Power Windows, Automatic Transmission, Differential Lock, 7000 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, Aluminum Wheels, 295/75R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, Spring Suspension, 192 in Wheelbase, 12 ft x 92 in Bed, Receiver, Hydra Bed

GM Duramax V8 6.6 L Diesel Engine, Air Conditioner, Allison Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 179 in Wheelbase, 14 ft 6 in x 94 in Bed, Hitch Receiver