DHMXH07.7JVC 6 Cylinder Ultra Low Sulfur Diesel Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Automatic Transmission, 10000 lb Front Axle, 19000 lb Rears, 25950 lb GVWR, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 274 in Wheelbase