Parker Gear Oil Pump | PGP365

Parker PGP365 Series Fixed Displacement Gear Oil Pumps

Parker’s PGP365 Series fixed displacement hydraulic gear pumps are built for exceptional power density, high efficiency, and long service life in demanding mobile hydraulic systems. Featuring rugged cast-iron construction and precision-machined internal components, these gear oil pumps provide superior pressure capability and outstanding wear resistance—making them ideal for continuous high-duty-cycle applications.

The PGP365 Series gear pump is part of Parker’s advanced Commercial Gear Pump product line, designed to deliver reliable hydraulic power for construction, forestry, and oil & gas equipment. Engineered for consistent performance under high load and temperature conditions, it ensures smooth operation and extended durability across a wide range of mobile applications.

Available in standard, clutch, and tandem configurations, the PGP365 Series offers flexibility for both OEM and aftermarket hydraulic systems. Its fixed displacement design delivers efficient, predictable flow for systems requiring robust and repeatable performance.

Technical Specifications

• Operating Pressure: up to 3500 psi, up to 241 bar
• Flow Rate: n/a
• Displacement: up to 148 cm3/rev, up to 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: 148 cm3/rev, 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: 662 kg, 1460 lb
• Maximum Operating Speed: 2400 RPM
• Maximum Kinematic Viscosity: 7500 SUS
• Minimum Kinematic Viscosity: 50 SUS
• Weight: 32 kg (Max), 71 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: Yes
• 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
• Live (Moving) Floor Trailers
• Roll Off Trailers