COGENG Hitachi hydraulic pumps are precision-manufactured to serve as direct replacements for OEM Hitachi pump assemblies. The product range includes:
Main hydraulic pumps – Variable displacement axial piston pumps (tandem and single configurations)
Pilot pumps – Fixed displacement gear pumps for control circuits
Travel pump assemblies – Integrated piston pumps for track drive systems
Swing pump assemblies – Piston or gear pumps for upper structure rotation
Rotating groups – Cylinder barrel, piston assemblies, swashplate, valve plate
Pump regulators – Proportional solenoid valves and hydraulic control regulators
Repair kits – Seal kits, bearing kits, and piston/shoe kits
