HPV90 Pilot Pump for excavators spare parts

HPV90 Pilot Pump for excavators spare parts Featured Image
  • HPV90 Pilot Pump for excavators spare parts
  • HPV90 Pilot Pump for excavators spare parts
  • HPV90 Pilot Pump for excavators spare parts

Short Description:

The HPV90 pilot pump is a factory-original high-precision hydraulic gear pilot pump exclusively matched with KAWASAKI HPV90 series main piston pumps, widely applied to 15–18 ton medium and large excavators, perfectly compatible with mainstream models such as Sany SY155, SY165, SY175, XCMG XE150, XE170, LiuGong 915, 916 and other domestic medium-large excavators.

Product Detail

Product Tags

description

The HPV90 pilot pump adopts an upgraded thickened reinforced gear pump structure, professionally optimized for the medium-high pressure, medium-large flow, long-term heavy-load continuous operation and frequent impact load switching characteristics of KAWASAKI HPV90 main pumps matched for 15–18 ton medium-large excavators. Different from ordinary universal pilot pumps with insufficient pressure resistance, poor heavy-load stability and easy internal leakage for HPV90 hydraulic systems, this model strictly follows original factory supporting standards, with fully standardized mounting dimensions and accurate hydraulic calibration parameters, achieving ultra-low internal leakage and linear stable flow-pressure output under long-term heavy-load operation. Equipped with thickened high-strength wear-resistant alloy gear pair, heavy-duty anti-fatigue reinforced bearing assembly and high-pressure high-temperature resistant composite sealing system, it can maintain stable medium-high pressure pilot output without performance attenuation under long-term heavy hydraulic impact and high-frequency heavy-load compound action switching. The integrated thickened high-rigidity pump body features excellent impact resistance, vibration resistance, dust and sediment corrosion resistance, fully adapting to heavy earthwork, quarry construction and other harsh heavy-load construction environments.

product parameters

Product Model: HPV90 Pilot Pump
Product Type: Medium-large Flow Negative Flow Control High-stability Hydraulic Gear Pilot Pump
Applicable Main Pump: KAWASAKI HPV90 Hydraulic Piston Main Pump
Applicable Equipment: 15–18 Ton Medium-large Excavators (Sany SY155/SY165/SY175, XCMG XE150/XE170, LiuGong 915/916)
Structural Feature: Ultra-low Flow Pulsation, Medium-high Pressure Constant Output, Ultra-low Internal Leakage, Heavy-duty Reinforced Impact-resistant Structure
Core Structure: Thickened High-strength Alloy Gear Set, Heavy-duty Anti-fatigue Bearing Assembly, High-pressure High-temperature Resistant Sealing System, Integrated Thickened High-rigidity Pump Body
Working Characteristics: Rapid Medium-high Pressure Response, Stable Idle & Heavy-load Pressure, Low Vibration & Low Noise, Impact and Aging Resistant
Core Function: Provide Standard Stable Medium-high Pilot Pressure, Drive HPV90 Main Pump Variable Adjustment and Whole Machine Heavy-load Compound Hydraulic Actions, Ensure Powerful and Stable Operation

advantages

  • Professionally calibrated exclusively for KAWASAKI HPV90 negative flow hydraulic system, perfectly matching original heavy-duty installation size and medium-high pressure pilot parameters, supporting 1:1 non-destructive plug-and-play replacement for 15–18 ton medium-large excavators, no equipment modification required, 100% system matching with zero adaptation faults.
  • Thickened high-strength alloy gear pair and heavy-duty reinforced anti-fatigue bearing structure greatly enhance heavy-load wear resistance and impact resistance, adapting to long-term continuous heavy-load cycle operation of medium-large excavators, maintaining stable medium-high pressure pilot output without power attenuation or operational fatigue.
  • Premium high-pressure and high-temperature resistant composite sealing system resists long-term strong hydraulic impact and high-temperature working environment, completely eliminating heavy-load oil leakage and system pressure loss, effectively reducing failure rate and heavy-load maintenance costs of medium-large hydraulic equipment.
  • Integrated thickened high-rigidity pump body features outstanding anti-impact, anti-vibration, dust and sediment corrosion resistance, perfectly adapting to harsh heavy-load construction sites such as stone quarry and earthwork excavation, with service life far longer than ordinary universal pilot pumps.

FAQ

  • Q1: What are the common failure symptoms of HPV90 pilot pump?
  • A: Typical faults include weak heavy-load compound digging actions, slow medium-high pressure response, unstable idle pilot pressure, walking deviation and jitter, sluggish swing rotation, insensitive HPV90 main pump heavy-load variable adjustment, pump body oil leakage and abnormal impact noise under heavy load.
  • Q2: Why do 15–18 ton excavators lack power during heavy excavation?
  • A: Long-term heavy-load operation and frequent impact load switching cause wear and fatigue of internal thickened gears and heavy-duty bearings of the pilot pump, increased internal leakage and decreased medium-high pilot pressure, resulting in delayed main pump variable response and insufficient heavy-load hydraulic power. Replacing the aging HPV90 pilot pump can restore original factory heavy-load performance.
  • Q3: How to maintain HPV90 pilot pump daily?
  • A: Keep the medium-large flow hydraulic system oil clean and qualified, regularly replace hydraulic oil and high-precision filter elements to prevent hard sediment and stone powder impurities from wearing internal precision components. Regularly check the pump body for oil leakage and abnormal noise to ensure stable medium-high pressure pilot output and sensitive main pump variable operation.
  • Q4: How to extend the service life of HPV90 pilot pump?
  • A: Avoid long-term extreme overload operation and frequent violent impact load, maintain hydraulic system cleanliness, reduce internal component impact wear and fatigue loss, and effectively extend the service life of the heavy-duty medium-large flow pilot pump.

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


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