GM Duramax V8 6.6 L Ultra Low Sulfur Diesel Engine, 2011 US EPA Label, Air Conditioner, Cruise Control, Power Windows, Allison Automatic Transmission, 6000 lb Front Axle, 9750 lb Rears, 13200 lb GVWR, 235/80R17 Front Tires, 235/80R17 Rear Tires, Spring Suspension, 138 in Wheelbase, 9 ft x 96 in Bed, Winch, Receiver Hitch, 9 ft Western Snow Plow