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Hydrokraft open-circuit piston pumps

Engineered to excel in demanding industrial applications, Eaton Hydrokraft open-circuit piston pumps feature variable and fixed displacements, a modular design and flexible mounting options. Use Hydrokraft piston pumps for tough applications such as primary metals power units, marine cranes and thrusters.

Axial piston
66-750 cc (4.0-45.0 cu in)
Up to 350 bar (5,000 psi)

The right fit for a wide variety of applications

Hydrokraft open-circuit piston pumps feature industry-standard mounting capabilities and a modular construction, making them the perfect fit for many applications. Choose from fixed or variable Hydrokraft options in different sizes to meet your needs:

  • PVX
  • PVW
  • PFX
  • PFW
steel rolls

Increased durability and decreased noise levels

The pumps come in a robust housing enclosure, which increases pump durability and reduces operating noise. Their tension-rod design also contributes to quieter operation.

Reliable and long-lasting

Hydrokraft open-circuit piston pumps are axial piston pumps with a swashplate design for reliable operation and a longer life. Plus, the pump’s rotating and pressure-loaded parts are pressure-balanced for greater efficiency and serviceability. 

Multiple pump installations and combinations

  • Their through-drive design allows for multiple pump installations from a single shaft.
  • The foot mounting option allows for easy bed-plate installation
  • Multiple pump combinations available



Container ship in harbour


  • Primary metals power units
  • Marine cranes
  • Thrusters
  • Hydraulic power units
  • Large presses and forges
  • Recycling shears
  • Test stands
  • Marine engines

Let's work together

Whether you're designing a new system or retrofitting an existing machine, Eaton's design and engineering experts and integrator partners are available for consultation and collaboration. We offer system design, analysis, build and project management services.
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