Parker Gear Oil Pump | PGP330

Parker PGP330 Series Gear Pump

Parker PGP330 Series Fixed Displacement Gear Oil Pumps

Parker’s PGP330 Series fixed displacement hydraulic gear pumps are engineered for exceptional durability, high efficiency, and superior pressure performance. Designed with rugged cast-iron housings and roller bearing construction, these gear oil pumps deliver reliable power for the most demanding mobile and industrial hydraulic applications.

The PGP330 Series gear pump is part of Parker’s Commercial Gear Pump family, known for its high-pressure capability and long service life. It is ideal for high-duty-cycle applications in industries such as construction, forestry, and oil & gas, where hydraulic systems operate under continuous heavy loads and variable conditions.

Available in standard, clutch, and tandem pump configurations, the PGP330 provides flexible solutions for OEM and aftermarket applications. Its fixed displacement design ensures consistent hydraulic output and efficient performance, while precision manufacturing minimizes internal leakage and extends operating life.

Technical Specifications

  • Operating Pressure: up to 3500 psi, up to 241 bar
  • Flow Rate: n/a
  • Displacement: up to 65 cm3/rev, up to 3.9 inch3/rev
  • Body Material: Cast Iron
  • Drain Option: No
  • Charge Pump Included: No
  • Circuit Path: Open
  • Configuration: Single, Tandem, Multiple
  • Control Method: Relief, Load Sense, Priority, Unloading
  • Energy Recovery Capability: No
  • Filter Included: No
  • For Fluid Type: Standard Hydraulic Fluids, Phosphate-ester, Water-Glycol
  • Maximum Displacement: 65 cm3/rev, 3.9 inch3/rev
  • Maximum Flow Rate: n/a
  • Maximum Fluid Temperature: 80 °C, 180 °F
  • Minimum Fluid Temperature: -20 °C, 0 °F
  • Maximum Noise Level: n/a
  • Maximum Operating Pressure: 241 bar, 3500 psi
  • Radial Load Capacity: 356 kg, 785 lb
  • Maximum Operating Speed: 3000 RPM
  • Maximum Kinematic Viscosity: 7500 SUS
  • Minimum Kinematic Viscosity: 50 SUS
  • Weight: 19 kg (Max), 41 lb (Max)
  • Media: n/a
  • Mounting Option: SAE, ISO, DIN
  • Port Connection: SAE, ISO, NPT, BSPP, ODT
  • Port Type: Flange, Straight Threaded
  • Port Location: Side Ports, Rear Ports
  • Pump Type: Gear, Fixed
  • Direction of Rotation: Clockwise, Counterclockwise, Bi-Rotational
  • Sensor Type: n/a
  • Shaft Type: SAE, ISO, DIN, Industry Specific
  • Thru-Drive Capability: No
  • Length: varies by configuration

Key Benefits

  • Three-piece cast iron construction for distribution flexibility
  • Cast Iron construction for durability
  • Balanced Thrust Plates minimize friction and leakage
  • Journal bearings for long life
  • Multiple sections available

Examples of Suitable Applications

  • Tire Trucks
  • Salt and sand spreaders
  • Aerial Lift
  • Low boy trailers

Let's Talk

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