Machine description: 6 Cylinder Diesel Engine, Requires Diesel Exhaust Fluid, Allison Automatic Transmission, 8500 lb Front Axle, 17500 lb Rears, 26000.0 lb GVWR, 295/75R22.5 Front Tires, 245/75R22.5 Rear Tires, Spring Su... more info about the 2011 Ford F-650.