Machine description: Isuzu 4HK1TC 317 cid Engine, 2005 US EPA Label, Automatic Transmission, 6830 lb Front Axle, 12980 lb Rears, 17950 lb GVWR, Aluminum Wheels, 225/70R19.5, Spring Suspension, 177 in Wheelbase, Nose Cone ... more info about the 2006 GMC W5500.