Machine description: GM V8 6.0 L Gasoline Engine, Automatic Transmission, 5360 lb Front Axle, 9880 lb Rears, 14500.0 lb GVWR, 225/70R19.5, Spring Suspension, 135 in Wheelbase, Mickey 14 ft x 96 in Wide x 75 in High Body C... more info about the 2007 GMC W4.