Detroit DD15 6 Cylinder 14.8 L Diesel 505 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, 19498 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Automatic Transmission, Double Differential Locks, 13220 lb Front Axle, 40000 lb Rears, Meritor MT-40-14XP Drive Axles, 3.08:1 Axle Ratio, 53220.0 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 11R22.5, Airliner Air Ride Suspension, 230 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks