Machine description: Isuzu 4HK1TC 4 Cylinder 317 cid Diesel 190 hp Engine, 2006 US EPA Label, CARB Compliant, Automatic Transmission, 5360 lb Front Axle, 9880 lb Rears, 14500 lb GVWR, 215/85R16, Spring Suspension, 110 in ... more info about the 2007 GMC W4500.