Parker Piston Pumps | PD Series

Parker PD Series Piston Pump

Parker PD Series Piston Pumps

The Parker PD Series hydraulic piston pump is a compact, high-performance variable displacement axial piston pump designed for open-circuit applications. Engineered for reliability and precision, the PD Series delivers continuous operating pressures up to 4,060 psi (280 bar) while maintaining quiet, efficient operation.

With its compact footprint and advanced control options, this Parker piston pump provides smooth, responsive performance for mobile and industrial systems where space efficiency and power density are critical. Built for durability and consistent performance, the PD Series ensures long service life and dependable operation in demanding hydraulic environments.

Technical Specifications

  • Maximum Vacuum Flow Rate: n/a
  • Operating Pressure: 280 bar, 4000 psi
  • Technology: Hydraulics
  • Flow Rate: 250 L/min, 66 gal/min
  • Displacement: 140 cm3/rev, 8.5 inch3/rev
  • Body Material: Cast Iron
  • Drain Option: Yes
  • Charge Pump Included: No
  • Circuit Path: Open
  • Configuration: Single, Tandem, Multiple
  • Control Method: Pressure Limiter, Load Sense, Electronic Control, Unloading, Proportiona, Fan Drive
  • Energy Recovery Capability: Yes
  • Filter Included: No
  • For Fluid Type: Standard Hydraulic Fluids
  • Maximum Displacement: 140 cm3/rev, 8.5 inch3/rev
  • Maximum Flow Rate: 66 gal/min, 250 L/min
  • Maximum Fluid Temperature: 95 °C, 200 °F
  • Minimum Fluid Temperature: -40 °C, -40 °F
  • Maximum Noise Level: 83 dBA
  • Maximum Operating Pressure: 280 bar, 4000 psi
  • Radial Load Capacity: 160-594 lb-ft
  • Maximum Operating Speed: 1800 RPM
  • Maximum Kinematic Viscosity: n/a
  • Minimum Kinematic Viscosity: n/a
  • Weight: 14 to 82 kg, 30 to 180 lb
  • Media: Hydraulic / Liquid, Hydraulic Fluids, Liquids
  • Mounting Option: SAE, ISO
  • Port Connection: SAE, ISO, BSPP
  • Port Type: Flange, Straight Threaded
  • Port Location: Side Ports, Rear Ports, Opposing Ports
  • Pump Type: Piston
  • Direction of Rotation: Clockwise, Counterclockwise
  • Sensor Type: Displacement & Pressure
  • Shaft Type: SAE, ISO
  • Thru-Drive Capability: Yes

Key Benefits

  • Increased Productivity
    • Proportional electric controls that provide flow on demand
    • Large stroking pistons for fast, stable response
    • Full power thru-drive capability
  • Improved Reliability
    • Elastomer seals that eliminate gaskets and external leakage
    • Low friction cam and taper-roller shaft bearings
    • Industry-low viscosity capability
  • Design Flexibility
    • Case drain port for horizontal or vertical shaft-up mounting
    • Optional maximum and minimum volume stops
    • End or side inlet and outlet ports
    • Small envelope size
    • Wide range of controls
  • Ease of Use
    • Low noise nine-piston design
    • Hydraulic controls with “no leak” adjustments
    • Fewer parts for easier maintenance

Examples of Suitable Applications

  • Power units
  • Industrial molding
  • Pressing
  • Water jet cutting
  • Oil lift pumps
  • Top drives
  • Pipe handling
  • Offshore cranes
  • Conveyor drives
  • CNG
  • Lube oil skids

Let's Talk

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