HPV55 & HPV105 Hydraulic Main Pump | HPV55-02R, HPV55-02L | Excavator Piston Pump
| Model Number | HPV, HPV55-02R, HPV55-02L, HPV105-02L 0000 HYX264V00337 |
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Product Description
HPV55 & HPV105 Series Excavator Main Hydraulic Pump (PV55 Series)
Product Overview: The HPV series (including PV55 and HPV105) serves as the heart of hydraulic systems for construction machinery, widely used in small-to-medium excavators and mobile cranes. Utilizing a swashplate axial piston design, this series is renowned for its rapid response and high-pressure durability. Whether the clockwise HPV55-02R or the high-capacity HPV105-02L, these pumps provide precise flow distribution and superior fuel efficiency, ensuring maximum breakout force and smooth multi-function operation.
Key Technical Advantages:
High-Performance Variable Control: Equipped with precision regulators supporting constant power and load-sensing functions. Models like the HPV55-02R instantaneously adjust displacement based on load changes, preventing engine stalls and improving cycle efficiency.
Reliability for Heavy-Duty Cycles: Engineered for harsh mining and construction environments. The reinforced piston groups and port plates maintain stable output even at 350 Bar high pressure, effectively reducing internal leakage.
Flexible Rotation Options: Available in various rotations such as HPV55-02L (CCW) and HPV55-02R (CW) to meet different power unit layouts, ensuring seamless integration with transfer cases or engines.
Specific Traceability (HYX264V): Optimized for specific machine sequences like HYX264V00337, guaranteeing 100% compatibility with physical mounting dimensions and hydraulic porting.
Specific Models & Technical Parameters: This product range features core configurations: HPV55-02R, HPV55-02L, HPV105-02L, and the full HPV55 series. Key specifications: Displacements of 55 cm³/rev and 105 cm³/rev; rated operating pressure up to 35 MPa (350 Bar); maximum speeds of 2200-2600 rpm; supports tandem pump configurations; and utilizes standard ISO/SAE mounting patterns.


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