HPV102-GW-25A Main Hydraulic Pump for Hitachi Excavators HPV102 main hydraulic pump assembly, quoted in the trade as HPV102-GW-25A, for Hitachi EX200-5, EX210-5, EX220, ZX200, ZX210, ZX220 and ZX230 excavators. Axial piston swashplate pump of the Rexroth series, approximately 152 kg. Key Features HPV102 main hydraulic pump assembly for Hitachi 20 tonne class excavators Build string quoted in the trade as HPV102-GW-25A Axial piston swashplate pump of the Rexroth series