A hydraulic pump is a hydraulic component that provides pressurized liquid for hydraulic transmission. The engine hydraulic pump function is to convert the mechanical energy of the power machine into the pressure energy of the liquid. Hydraulic pumps can be divided into variable pumps and quantitative pumps according to whether the flow rate can be adjusted. According to the structure of the hydraulic system, the diesel engine hydraulic pump types can be divided into gear pump, vane pump, and piston pump.
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