Detroit DD16 15 L 505 hp Engine, 12326 Engine hrs, Engine Brake, Eaton Fuller RTLO-18918B 18-Speed Transmission, Double Differential Locks, 12500 lb Front Axle, 46000 lb Rears, 3.73:1 Axle Ratio, 11R22.5 Front Tires, 11R22.5 Rear Tires, Airliner 40XD Air Ride Suspension, 210 in Wheelbase ALL WASHINGTON BUYERS MUST SIGN TITLE APPLICATIONS