Cummins ISB 6 Cylinder 6.7 L Ultra Low Sulfur Diesel 220 hp Engine, 2014 US EPA Label, Requires Diesel Exhaust Fluid, 11410 Engine hrs, Automatic Transmission, 10000 lb Front Axle, 15000 lb Rears, 25999.0 lb GVWR, 295/75R22.5, Air Ride Suspension, 272 in Wheelbase, supreme 26 ft x 102 in Wide x 103 in High Body, Liftgate