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Help CenterExcavator Hydraulic Main Pump - Direct Replacement for Komatsu PC Series and Hitachi EX Series
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Description：
Excavator Hydraulic Pump
The hydraulic pump serves as the core power unit of an excavator, converting the mechanical energy from the engine into hydraulic energy to drive all the working mechanisms, including the boom, arm, bucket, and rotation system.
Common types applied in excavators include gear pumps, vane pumps, and piston pumps, among which variable displacement piston pumps are widely favored for their high efficiency, strong load adaptability, and excellent energy-saving performance.
Key performance parameters cover rated pressure, displacement, speed range, and volumetric efficiency. Advanced hydraulic pumps are integrated with load-sensing and pressure-compensated technologies, which can automatically adjust the output flow according to the actual working conditions, effectively reducing energy consumption and improving operation stability.
The hydraulic pump is connected to the engine via a coupling, and its working oil is supplied by the hydraulic oil tank, with the oil cleanliness strictly controlled to ensure long-term reliable operation. Regular maintenance, such as oil replacement, filter cleaning, and seal inspection, is essential to prevent failures like oil leakage, pressure drop, and abnormal noise, thus extending the service life of the entire hydraulic system of the excavator.
Specification :
Part Name： |
Hydraulic pump |
||
Part Model： |
10286642 5616530 R902208862 |
Feature |
Durable and efficient High quality |
Type: |
Original and replacement or OEM |
Application |
Excavator or Loader or Bullzoder or Grader or Truck |
Delivery Time: |
2-10 Days |
MOQ |
1 Sets |
Warranty: |
6 Months-18 Months |
Transportation method: |
Federal UPS DHL Ocean Freight |
Operational Benefits:
Reduced Maintenance Costs – Precision-machined components minimize internal leakage, extending service intervals by 30%
Fuel Efficiency – Optimized volumetric efficiency reduces parasitic power loss by up to 8%
Vibration Control – Balanced rotor assembly decreases harmonic vibrations by 22% for extended component life
Contamination Resistance – Multi-stage filtration compatibility protects against particulate ingress
Leveraging Xuzhou's industrial ecosystem and our decade of hydraulic expertise, we implement rigorous quality controls including 100% pressure cycling tests and dimensional verification. Each pump undergoes 72-hour continuous run-in tests simulating actual excavator operating conditions. Our technical support team provides detailed installation guidance and troubleshooting documentation for international customers.
FAQ Section:
Q: Is this pump compatible with my Komatsu PC200-8 excavator?
A: Yes, this pump is designed as a direct replacement for PC200-8 models manufactured between 2008-2015. Please verify your machine's serial number prefix matches our compatibility list.
Q: What warranty coverage do you provide?
A: We offer 12 months warranty against manufacturing defects from shipment date. Warranty documentation is included with each unit.
Q: Can I use this pump for other excavator brands?
A: This specific model is engineered exclusively for Komatsu PC and Hitachi EX series. Using it on other brands may cause performance issues.
Q: Do you provide installation instructions?
A: Comprehensive installation manuals with torque specifications and bleeding procedures are available upon request.
Q: How does your pricing compare to OEM parts?
A: Our pumps deliver equivalent performance at 30-40% lower cost than genuine parts without compromising durability.
Q: What shipping methods are available?
A: We support DDP shipments via air or sea freight with standard lead times of 15-30 days depending on destination.
Trusted by excavation contractors across Southeast Asia and South America, our hydraulic pumps have demonstrated field reliability exceeding 12,000 operating hours in mining applications. All manufacturing processes adhere to strict internal quality protocols, with traceable material certifications available for every production batch. Contact our Xuzhou-based engineering team today for customized compatibility verification or volume pricing.
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