Daimler Mercedes Ultra Low Sulfur Diesel Engine, 2017 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Power Windows, Automatic Transmission, 4101 lb Front Axle, 5360 lb Rears, 8550 lb GVWR, Bunk Heater, 245/75R16 Front Tires, 245/75R16 Rear Tires, Spring Suspension, 172 in Wheelbase