Machine description: ISUZU 4HK1TC 4 Cylinder 5.2 L Diesel 190 hp Engine, 2006 US EPA Label, Automatic Transmission, 6830 lb Front Axle, 12980 lb Rears, 17950 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Sprin... more info about the 2007 GMC 5500.