HPV145 Hitachi 330 350 360 Hydraulic Pump Main Variable Axial Piston Pump Part Numbers 9195242, 9207291, 9136850 Product Overview The HPV145 Hitachi 330 350 360 hydraulic pump is a main hydraulic pump assembly. Its internal components include the piston, valve plate, cylinder block, and retainer plate. Purchasing and Installation Guidelines Verify OEM part number compatibility, including regulator and servo valve assembly Require hydraulic bench test report for pressure, flow