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Help CenterHitachi EX Series Hydraulic Pump Replacement - Fits EX200 EX220 EX300 EX330 Excavators
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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 |
Core Advantages:
Precision Compatibility: Direct replacement for EX200/220/300/330 models with no modifications required
Enhanced Durability: High-strength alloy steel construction resists wear under extreme pressure cycles
Optimized Flow Dynamics: Computer-simulated port design reduces turbulence for 12% better efficiency
Technical Specifications:
| Parameter | Value |
| Displacement Volume | Model-specific (EX200: 2x56cm³/rev) |
| Max Operating Pressure | 34.3 MPa (Standard) |
| Weight | Approx. 18-22kg (varies by model) |
The pump incorporates multi-stage sealing technology that extends service intervals by 30% compared to conventional designs. Each unit undergoes 72-hour continuous load testing in simulated excavator operating conditions to verify:
Consistent flow output within ±2% tolerance
Temperature stability up to 90°C
Zero leakage at rated pressure
For fleet managers, this translates to reduced maintenance costs and extended equipment lifespan. The precision-machined mounting interface eliminates alignment issues during installation, while the standardized hydraulic connections prevent hose mismatches.
Backed by Xuzhou Guozi's decade of experience in hydraulic systems, this replacement pump delivers OEM-grade performance without premium pricing. Our Jiangsu-based manufacturing facility utilizes CNC machining centers with 5μm precision tolerance, ensuring every pump meets exact Hitachi specifications. Partner with us to keep your excavators operational with components engineered for demanding Chinese construction environments.
FAQ:
Q1: Is this pump compatible with both older and newer EX330 models?
A: Yes, our replacement covers all EX330 generations. Please specify your machine's serial year during inquiry for verification.
Q2: What warranty is provided?
A: We offer 12-month warranty against manufacturing defects from shipment date.
Q3: Can I install this pump without professional assistance?
A: While designed for direct replacement, we recommend installation by certified technicians to ensure proper bleeding and system calibration.
Q4: Do you provide installation guidelines?
A: Detailed installation manuals are available upon request with torque specifications and bleeding procedures.
Q5: How does this compare to genuine Hitachi pumps?
A: Our pumps meet or exceed OEM performance specifications at 30-40% lower cost, with identical mounting dimensions.
Q6: What is the lead time for bulk orders?
A: Standard lead time is 15 working days for quantities over 50 units, subject to production schedule.
Send Inquiry to This Supplier
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