Machine description: V8 6.6 L Diesel Engine, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, 225/70R19.5, Spring Suspension, 186 in Wheelbase, PTO, Jerr-Dan 19PAR Rollback Body, 17 ft x 91 in Be... more info about the 2007 GMC C5500.