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