Cummins X15 6 Cylinder 15 L Ultra Low Sulfur Diesel 239 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, 18680 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Automated Transmission, Eaton Fuller Auxiliary Transmission, Differential Lock, 12350 lb Front Axle, 40000 lb Rears, Meritor Drive Axles, 52350 lb GVWR, Air Ride Cab, 56 in Mid Roof Sleeper Cab, Bunk Beds, Bunk Heater, Aluminum Outer Wheels, 275/80R22.5, Meritor Air Ride Suspension, 228 in Wheelbase, Air Sliding 5th Wheel