KYB PSV2-55T & PSV2-63T Pump | PSV2-60T, PSV2-62T, PSV2-63T-2 | Hydraulic Main Pump for Excavator
| Model Number | PSV2, PSV2-55T, PSV2-60T, PSV2-62T, PSV2-63T, PSV2-63T-2, PSV2-55T-2 |
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Product Description
KYB PSV2 Series Axial Piston Main Pump for Excavators
Product Overview: The KYB PSV2 series is the premier power source for high-performance excavator hydraulic systems worldwide. Specifically engineered for the 6-ton to 15-ton excavator class, this series is renowned for its exceptional power density and precise load-sensing control. Featured models like the PSV2-55T, PSV2-60T, and the upgraded PSV2-63T-2 or PSV2-55T-2 provide stable, efficient, and energy-saving hydraulic power for heavy-duty digging and complex simultaneous functions, such as traveling and swinging concurrently.
Key Technical Advantages:
Precision Load-Sensing Control: Automatically modulates output flow to match real-time actuator demand, drastically reducing energy waste and minimizing hydraulic fluid heat generation.
High-Pressure Durability: Built with reinforced alloy components to support rated pressures of 31.5-34.3 MPa, ensuring unmatched reliability under harsh mining and construction conditions.
Rapid Dynamic Response: The optimized regulator design ensures agile displacement switching, significantly enhancing machine cycle frequency and operator control sensitivity.
Highly Integrated Architecture: Features built-in regulator valve groups and auxiliary pump ports, simplifying hydraulic plumbing and reducing potential leakage points.
100% OEM Standard Compatibility: Manufactured to strict KYB factory specifications, ensuring splined shafts and mounting flanges align perfectly for a seamless “drop-in” replacement on brands like Sany, Kubota, and Kobelco.
Detailed Models & Parameters:
Core Series: KYB PSV2 Series.
Full Displacement Matrix: PSV2-55T, PSV2-55T-2, PSV2-60T, PSV2-62T, PSV2-63T, PSV2-63T-2.
Displacements: Ranging from 55cc/rev to 63cc/rev.
Pressure Ratings: Rated at 31.5 MPa (4500 PSI) continuous; Peak capability up to 34.3 MPa (5000 PSI).
Rotation: R (Clockwise/CW).
Target Applications: 6-15 ton mini/mid-sized excavators, road cold-milling machines, and rotary drilling rigs.



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