HPV95 Hydraulic Pump for Excavator spare parts

HPV95 Hydraulic Pump for Excavator spare parts Featured Image
  • HPV95 Hydraulic Pump for Excavator spare parts
  • HPV95 Hydraulic Pump for Excavator spare parts
  • HPV95 Hydraulic Pump for Excavator spare parts
  • HPV95 Hydraulic Pump for Excavator spare parts
  • HPV95 Hydraulic Pump for Excavator spare parts

Short Description:

HPV90 hydraulic pump spare parts are high-precision aftermarket repair accessories specially customized for HPV90 closed-loop variable piston pumps.

Product Detail

Product Tags

description

As an upgraded medium-large displacement closed-loop piston pump, the HPV95 pump features larger flow output, higher system bearing pressure and more severe cyclic load impact compared with HPV90 pumps, putting higher requirements on the wear resistance and structural stability of rotating group components. HPV95 hydraulic pump spare parts are professionally optimized for heavy-duty extreme working conditions, with core friction pair parts adopting high-strength alloy steel matrix + anti-wear copper alloy cladding composite process. The cylinder block undergoes integral quenching and tempering treatment and secondary stress relief, matched with ultra-precision mirror lapping to ensure micron-level stable clearance fit with the valve plate, effectively suppressing internal leakage growth under long-term high-pressure continuous operation. The upgraded thickened piston-shoe assembly lowers friction coefficient under high-flow circulation, maintaining stable lubrication and wear resistance during frequent load switching. The valve plate and retainer plate adopt high-precision flat lapping technology, with uniform contact stress and strong pressure resistance, eliminating jitter and power fluctuation caused by uneven wear. The reinforced thickened center shaft improves torsion resistance and fatigue resistance, adapting to long-term high-frequency impact operation of heavy-duty equipment.

product parameters

Product Model: HPV95 Hydraulic Pump Spare Parts
Product Type: Pump Rotating-Group Wearing Parts & Heavy-Duty Upgrade Repair Components
Applicable Equipment: Large wheel excavators, heavy-duty loaders, road pavers, special heavy hydraulic engineering machinery equipped with HPV95 closed-loop variable piston pump
Included Components: Cylinder block, piston-shoe assemblies, valve plate, retainer plate, center shaft, full seal kit, servo-control spool, charge pump gear and all auxiliary wearing parts
Core Material: High-strength wear-resistant alloy steel, anti-wear copper alloy cladding layer, high-temperature resistant anti-aging composite seal material
Processing Craft: Integral vacuum heat treatment, secondary stress relief, ultra-precision mirror grinding, high-precision flat lapping, fully compliant with OEM tolerance standards
Core Functions: Replace worn and failed components, restore pump original volumetric efficiency, rebuild high-pressure and large-flow stable output, eliminate abnormal noise and oil leakage faults
Applicable Scenarios: Professional pump full overhaul, local component damage repair, friction pair wear replacement, long-term heavy-duty pump performance recovery
Matching Parts: Fully compatible with original HPV95 pump housing, servo control mechanism and charge pump assembly

advantages

  • OEM Micron-Level Precision, 100% Universal Interchangeability: All HPV95 spare parts are manufactured strictly in accordance with original factory size, flatness and micron tolerance standards. No on-site cutting, grinding or modification is required, with high fitting accuracy and zero assembly failure risk, fully matching original pump assembly parameters.
  • Heavy-Duty Upgraded Process, Strong Anti-Wear & Anti-Fatigue Performance: Aiming at the large-flow and high-impact characteristics of HPV95 pumps, the friction pair adopts alloy cladding and secondary stress relief process, which effectively reduces operating friction loss and structural fatigue, delaying secondary wear after maintenance and extending overall service life.
  • Diversified Procurement Modes, Maximize Maintenance Cost Reduction: Support targeted replacement of single damaged parts for local minor faults, and complete rotating group kits for overall aging and performance attenuation of the pump body. Avoids the huge cost of integral pump replacement and greatly reduces long-term equipment operation and maintenance costs.
  • Full-Scene Accessory Coverage, One-Stop Maintenance Solution: Covers all core rotating group wearing parts and auxiliary vulnerable components such as control valves and sealing parts, fully adapting to all daily maintenance and professional overhaul scenarios of HPV95 pumps, realizing one-stop supporting maintenance.
  • Ultra-High Temperature & Pressure Resistance, Durable Extreme Condition Performance: Optimized material formula for HPV95 high-flow heavy-duty characteristics, resisting long-term high-temperature oil scouring and high-pressure impact, maintaining stable volumetric efficiency and power output in extreme working environments.

FAQ

  • Q1: What core faults can HPV95 pump spare parts solve?
  • A: It perfectly repairs typical faults caused by long-term heavy-load wear of HPV95 closed-loop pump friction pairs, including excessive internal leakage, insufficient high-pressure output, weak load-carrying capacity, slow hydraulic response, abnormal operating noise, oil seepage and leakage, and overall efficiency attenuation.
  • Q2: How to choose between single spare parts and full overhaul kit?
  • A: For pumps with short service life and only single partial component damage, choose single-piece spare parts for targeted replacement; for pumps with long-term heavy-load operation, obvious performance attenuation and overall aging, it is recommended to replace the full rotating group kit to fully restore pump comprehensive performance.
  • Q3: What are the key overhaul assembly specifications for HPV95 pump?
  • A: Must be assembled by professional hydraulic technicians. Thoroughly clean internal oil passages and impurities, strictly control friction pair assembly clearance, uniformly replace all aging sealing parts, and conduct full-pressure test run and debugging after assembly to ensure stable and efficient operation.
  • Q4: What equipment is HPV95 pump spare parts suitable for?
  • A: It is widely applicable to heavy-duty engineering machinery equipped with HPV95 closed-loop variable piston pumps, mainly including large wheel excavators, heavy-duty loaders, road pavers and other large hydraulic equipment.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

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our warehouse

Pack and ship

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