Machine description: V8 6.6 L Diesel Engine, 2005 US EPA Label, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 17500 lb GVWR, 245/70R19.5, Spring Suspension, 176 in Wheelbase, 11 ft x 96 in Bed, Liftgate Clos... more info about the 2005 GMC C4500.