NSH32A-3, NSH50A-3, NSH71A-3, NSH100A-3, NSH250A-4 Hydraulic Gear Pump For Trator,NSH A Series Gear Pump,NSH gear pump is a hydraulic pump which used for pumping working fluid (mineral oil) in hydraulic systems of tractors, combines, cars,loaders, graders, pavers, as well as in any other agricultural, road building, logging and any other machinery