Detroit DD15 6 Cylinder 14.8 L Diesel 475 hp Engine, 20001 Engine hrs, Engine Brake, Eaton Fuller FO-18E313A MHP Automatic Transmission, 12350 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 3.90:1 Axle Ratio, 52350 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Bunk Heater, Aluminum Wheels, 11R22.5, Airliner Air Ride Suspension, 234 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks