... braking clutchSteering clutch and braking clutch are adjustment free, oil-type, and multi-disc clutch. The braking clutch ... service.Hydraulic system of the machineIt is composed of oil pump, transmission control valve, steering and braking control ... cooling system118LCamshaft box of the engine20LBevel gear case150LImplement oil tank100LPivot lubricating tank15LFinal drive15L SD7 bulldozer/China Dozer ...