Machine description: 6 Cylinder 6.7 L Diesel Engine, Requires Diesel Exhaust Fluid, Exhaust Brake, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 19500 lb GVWR, 245/70R19.5, Spring Suspension, 168 in Wheelbas... more info about the 2012 Ram 5500.