Cummins 6 Cylinder 6.7 L Ultra Low Sulfur Diesel 220 hp Engine, 2020 US EPA Label, Requires Diesel Exhaust Fluid, Automatic Transmission, 10000 lb Front Axle, 17500 lb Rears, 25999 lb GVWR, 11R22.5, Air Ride Suspension, 272 in Wheelbase, Supreme 26 ft x 102 in Wide x 103 in High Body, Liftgate