Harvester three -way valve

The utility model provides a harvester three -way valve belongs to hydraulic component technical field. The problem that the range of application is wide that it had solved current harvester three -way valve. This harvester three -way valve includes three valve piece, all there are oil inlet and oil return opening on the valve piece, the valve piece all with have the pole chamber, no pole chamber is connected, all be provided with the switching -over valve in the valve piece, oil feed passageway and return path have all been seted up to the valve piece, oil inlet in the valve piece is linked together through oil feed passageway and switching -over valve, oil return opening in the valve piece is linked together with the switching -over valve through return path, the last check valve that all is provided with of return path, be provided with the valve shaft between check valve and the oil feed passageway, be provided with the relief valve on the valve piece oil inlet, oil return opening between the valve piece