Machine description: Duramax V8 6.6 L Diesel Engine, 2013 US EPA Label, 12810 Engine hrs, Automatic Transmission, 4600 lb Front Axle, 9600 lb Rears, 14200.0 lb GVWR, 215/85R16, Spring Suspension, Unicell 17 ft 6 in Body, ... more info about the 2013 GMC 4500.