Parker PGP Gear Pump | 3339122063, 3339111290, 3339111308 | Tandem Hydraulic Pump

Parker PGP Series High-Performance Industrial Hydraulic Gear Pumps

Product Overview: The Parker PGP Series serves as the global industry benchmark for mobile machinery hydraulics. This featured selection includes core precision part numbers: the tandem configuration 3339122063, the high-performance single pump 3339111290, and the versatile 3339111308. Engineered with a unique three-piece reinforced construction and high-strength aluminum or iron bodies, these pumps provide exceptional reliability and volumetric efficiency at peak pressures up to 28 MPa. Whether utilized as a main pump for excavators, a lift pump for forklifts, or a power source for specialty vehicles, the PGP series ensures high-efficiency performance under high-frequency and heavy-load conditions.

Key Technical Advantages:

• Superior Pressure Resilience: Rated for a continuous operating pressure of 250 Bar (3625 PSI) with peaks reaching 280 Bar, specifically reinforced for instantaneous load fluctuations in heavy machinery.

• Integrated Tandem/Multi-Stage Design: Models like the 3339122063 allow for multi-stage integration, powering primary and auxiliary circuits from a single drive shaft, which optimizes space and simplifies piping.

• High Volumetric Efficiency: Equipped with advanced automatic axial gap-compensated side plates to minimize internal leakage, maintaining efficiencies over 93% even under high-temperature operations.

• 100% Plug-and-Play Replacement: Strictly adheres to original Parker OEM specifications, ensuring identical flange patterns (e.g., SAE standards), shaft splines, and port positions for guaranteed installation.

• Quiet Operation & Longevity: Features reinforced sliding bearings and optimized gear profiles to reduce mechanical noise while delivering high power density.

Detailed Models & Parameters:

• Core Series: Parker PGP511 & PGP517 Performance Series.

• Part Numbers: 3339122063, 3339111290, 3339111308.

• Pressure Ratings: Rated at 25 MPa (250 Bar) continuous; Peak at 28 MPa (280 Bar).

• Housing Material: High-strength extruded aluminum or ductile iron.

• Target Applications: Wheel loader main pumps, excavator auxiliary circuits, forklift steering/lift pumps, oilfield workover rigs, and industrial HPUs.