Machine description: Cat 6 Cylinder Diesel Engine, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, 5443 kg Front Axle, 18144 kg Rears, Spicer DS401P Drive Axles, 4.33:1 Axle Ratio, 23587 kg GVWR, Aluminum Wheels,... more info about the 1985 Kenworth W900B.