... Two valve,inter-cooling, Rear turbochargerClutch Φ430 Diaphragm spring clutch,Hydraulically operated gas booster. WD615.69standard 430Btype, ... .73,option4.8SuspensionFront and rear suspension are the leaf spring,The front suspension with shock absorbers and horizontal ... -circuit air brake system; Parking brake: Breathe brake Spring energy storage;auxiliary braking: Engine exhaust brake. Optional ...