KYB PSVL Series Main Pump | PSVL-42CG, PSVL-54CG, PSVL2-36CG | Hydraulic Piston Pump for Mini Excavator
| Model Number | PSVL, PSVL-42CG-18, PSVL-54CG-13, PSVL-54CG, PSVL2-42-V, PSVL-54CG-14, PSVL2-36CG-2 |
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Product Description
KYB PSVL & PSVL2 Series Load Sensing Main Hydraulic Pumps for Mini Excavators
Product Overview: The KYB PSVL series stands as a premier high-performance axial piston main pump solution for modern mini excavators. Serving as the power heart for 3-ton to 6-ton hydraulic systems, this series includes core specifications such as PSVL-42CG, PSVL-54CG, and the upgraded PSVL2-36CG. The hallmark of this series is its integrated Load Sensing capability, which precisely modulates flow output based on real-time operational resistance. This intelligent design not only enhances the smoothness of compound movements (boom, arm, bucket) but also significantly reduces fuel consumption, making it the OEM choice for brands like Kubota, IHI, and other leading excavator manufacturers.
Key Technical Advantages:
Precision Load Sensing Control: Senses real-time system pressure changes to ensure balanced, lag-free power distribution during simultaneous digging, swinging, and traveling.
Highly Integrated Multi-Pump Architecture: Consolidates dual main pumps and pilot gear pumps into a compact single-housing unit, maximizing space efficiency in tight engine compartments.
Superior Self-Priming & High-Speed Performance: Optimized valve plates and piston groups maintain exceptional volumetric efficiency even at high RPMs, minimizing heat generation.
Extreme Durability & Low Noise: Hardened components engineered for harsh construction environments ensure quiet operation under high-pressure cycles and extended service intervals.
Standardized Mounting Interface: Designed for universal compatibility, allowing for quick on-site replacement and simplified maintenance to minimize machine downtime.
Detailed Models & Parameters:
Core Series: KYB PSVL Series / PSVL2 Series.
Model Keywords: PSVL-42CG-18, PSVL-54CG-13, PSVL-54CG-14, PSVL2-36CG-2, PSVL2-42-V.
Displacements: 36 cm³/rev to 54 cm³/rev (Total output for main and auxiliary circuits).
Rated Operating Pressure: 24.5 MPa (250 Bar / 3625 PSI).
Maximum Speed: 2200 – 2400 rpm.
Machine Class: 3.5T, 4.5T, 5.5T Mini Excavators.
Target Applications: Kubota KX155, IHI 35V, 55N, and related excavator models.



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