Machine description: Mercedes-Benz 6 Cylinder Diesel Engine, Engine Brake, Eaton Fuller RTO-16908LL 8LL Manual Transmission, Differential Lock, 18144 kg Front Axle, 20864 kg Rears, Meritor RT-46-164PEH Drive Axles, 4.56:1... more info about the 2007 Western Star 4900.