Machine description: Cat 3406 14.6 L Diesel Engine, Engine Brake, Eaton Fuller Manual Transmission, Double Differential Locks, 9000 lb Front Axle, 40000 lb Rears, 11R24.5 Front Tires, 11R24.5 Rear Tires, Air Ride Suspensi... more info about the 1987 Kenworth W900B.