Spare parts ► HPKO55 HPKO/HPK series Hitachi Hydraulic parts

Hitachi pump characteristics HPK055

The HPK055 (or HPKO55) hydraulic pump is a slant block axial piston pump used in medium duty systems. It is designed to provide high performance and durability in various types of special equipment, including excavators, loaders and other construction equipment.

Technical specifications Hitachi HPK055:

• Type: Axial piston pump with inclined block
• Maximum working volume: 55 cm³ per revolution
• Working pressure
  • Nominal pressure: 31.5 MPa 315 bar
  • Maximum pressure: 35 MPa 350 bar
• Rotation speed:
  • Maximum: 3000 rpm
• Weight: 45–55 kg, depending on configuration
• Application in special equipment:
  • Medium-sized excavators
  • Front loaders
  • Road machinery
  • Other medium duty hydraulic systems

Analogues of the hydraulic pump catalog number Hitachi HPK055:

Installed in Hitachi models: ZX120, ZX110, ZX130, ZX135, ZX125

The company "Aspect Plus" offers a wide range of spare parts for repairing the Hitachi HPK055 hydraulic pump.