China Tractor Hydraulic Parts The gear pumps high-strength aluminum alloy material housings and the internal stucture uses the function of automatic axial clearance compensation, radial balance, the advanced processing process is adopted to make the shape position tolerance and accuracy of shaft sleeve more accurate, the volumetric efficiency of pump can be further improved. The pumps are widely used including vehicles, loaders, excavators, cranes , roller and agricultural machinery. ModelNominal Displacement (ml./r)Pressure (Mpa)Speed (r/min)Volumetric Efficiency 锛堚墺%锛?/p> RatedMaxMinRatedMax CBN-F425-BF2520256002500300093 CBN-F428-BF28 CBN-F430-BF30China Tractor Hydraulic Parts website: