HPV055 Hydraulic Pump for Excavator spare parts

HPV055 Hydraulic Pump for Excavator spare parts Featured Image
  • HPV055 Hydraulic Pump for Excavator spare parts
  • HPV055 Hydraulic Pump for Excavator spare parts
  • HPV055 Hydraulic Pump for Excavator spare parts

Short Description:

 HPV116 hydraulic pump spare parts are full-range high-precision aftermarket repair accessories specially developed for HPV116 large-displacement closed-loop variable piston pumps, belonging to the heavy-duty large-flow core model of the HPV closed-circuit pump series.

Product Detail

Product Tags

description

As a classic small-displacement basic model of the HPV series, the HPV055 closed-loop piston pump features stable flow output, moderate system working pressure and frequent start-stop cycle operation, putting high requirements on the stability and wear resistance of rotating group components under long-term light-load cyclic conditions. HPV055 hydraulic pump spare parts are professionally optimized for light-duty frequent working conditions, with core friction pair components adopting high-strength alloy steel matrix and anti-wear copper alloy cladding process. The cylinder block undergoes integral quenching and tempering treatment and ultra-precision mirror lapping to form stable clearance fit with the valve plate, effectively suppressing internal leakage growth caused by long-term continuous cyclic operation. The standard piston-shoe assembly maintains low friction coefficient and stable lubrication performance under medium and low pressure frequent switching conditions, avoiding jitter and slow action.

product parameters

Product Model: HPV055 Hydraulic Pump Spare Parts
Product Type: Small-Flow Pump Rotating-Group Wearing Parts & Light-Duty Maintenance Components
Applicable Equipment: Small wheel excavators, mini loaders, small road pavers, special light-duty hydraulic engineering machinery equipped with HPV055 closed-loop variable piston pump
Included Components: Standard 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, temperature-resistant anti-aging composite seal material
Processing Craft: Integral vacuum heat treatment, ultra-precision mirror grinding, high-precision flat lapping, fully compliant with OEM tolerance standards
Core Functions: Replace worn failure components, restore pump original volumetric efficiency, rebuild stable pressure and flow output, eliminate abnormal noise and oil leakage faults
Applicable Scenarios: Daily quick maintenance, professional pump full overhaul, local component damage repair, friction pair wear replacement
Matching Parts: Fully compatible with original HPV055 pump housing, servo control mechanism and charge pump assembly

advantages

  • OEM Standard Precision, 100% Interchangeability: All HPV055 spare parts are manufactured strictly in accordance with original factory size, flatness and tolerance standards. No on-site cutting or modification is required, with high fitting accuracy and zero assembly failure risk, fully matching original pump assembly parameters.
  • Light-Duty Condition Optimization, Stable Wear Resistance: Aiming at frequent start-stop and stable medium-pressure operation characteristics of HPV055 small-displacement pumps, friction pairs adopt anti-wear cladding and precision lapping process, ensuring long-term stable operation and effectively delaying component wear and failure.
  • Cost-Effective Maintenance, Low Daily Operation Cost: Support flexible single-piece replacement for local minor faults and full kit replacement for overall aging. It avoids the high cost of integral pump replacement and greatly reduces daily maintenance expenses of small and medium equipment.
  • Full-Range Accessory Coverage, One-Stop Quick Repair: Covers all core rotating group wearing parts and auxiliary vulnerable components such as control valves and seals, fully adapting to daily maintenance and overhaul scenarios of HPV055 small-flow pumps, realizing efficient one-stop maintenance.
  • Strict Factory Inspection, Stable Batch Quality: Each batch of spare parts undergoes dimensional verification, flatness testing and pressure simulation screening to ensure consistent product quality and stable post-repair operating performance.
  • Stable Cyclic Operation Performance, Long Service Life: Optimized material formula adapts to frequent cyclic working conditions, maintaining stable volumetric efficiency and power output during long-term repeated start-stop and variable-load operation.

FAQ

  • Q1: What core faults can HPV055 pump spare parts solve?
  • A: It repairs typical faults caused by long-term cyclic wear of HPV055 small-displacement closed-loop pump friction pairs, including increased internal leakage, insufficient working pressure, slow hydraulic response, abnormal operating noise, oil seepage and overall efficiency decline.
  • Q2: How to choose between single spare parts and full overhaul kit?
  • A: For slight local component damage and short equipment service life, choose single-piece spare parts for targeted replacement; for pumps with long-term frequent operation and overall performance aging, replace the full rotating group kit to fully restore pump working efficiency.
  • Q3: What are the key overhaul assembly specifications for HPV055 pump?
  • A: Assembled by professional hydraulic technicians. Thoroughly clean internal oil passage impurities, control standard friction pair assembly clearance, replace all aging seals uniformly, and conduct pressure test run after assembly to ensure stable operation.
  • Q4: What equipment is HPV055 pump spare parts suitable for?
  • A: It is widely applicable to light-duty engineering machinery equipped with HPV055 small-displacement closed-loop variable piston pumps, mainly including small wheel excavators, mini loaders and small pavers.

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.

our warehouse

our warehouse

Pack and ship

Pack and ship


  • Previous:
  • Next:
    • Write your message here and send it to us

    Products categories