Machine description: Isuzu 4HK1TC 4 Cylinder 5.2 L Diesel 200 hp Engine, 2007 US EPA Label, CARB Compliant, Automatic Transmission, 6830 lb Front Axle, 13660 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 176 in... more info about the 2008 GMC W5500 HD.