Detroit DD5.5 4 Cylinder 5.1 L Diesel 230 hp Engine, Requires Diesel Exhaust Fluid, 5434 Engine hrs, Automatic Transmission, 10000 lb Front Axle, 19000 lb Rears, 5.86:1 Axle Ratio, 26000.0 lb GVWR, 11R22.5, Airliner Air Ride Suspension, 270 in Wheelbase, Supreme 26 ft x 102 in Wide x 103 in High Body, Walk-Up Ramp, Liftgate