V8 8.1 L Gasoline Engine, 2008 US EPA Label, CARB Compliant, Automatic Transmission, 10000 lb Front Axle, 19000 lb Rears, 25950.0 lb GVWR, 295/75R22.5, Spring Suspension, 176 in Wheelbase, 12 ft 10 in x 96 in Bed, Liftgate