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RITO Main Hydraulic Pump Assembly 91339426 EX800H-5 K3V280 Multiple Pump Assembly 0003633 425557 EX750-5 Piston Pump

Hydraulic inefficiency on large excavators can lead to slower cycle times and higher operating expenses. The 91339426 main hydraulic pump assembly is developed for EX800H-5 and EX750-5 equipment, ensuring strong hydraulic power delivery and steady system performance in demanding earthmoving and mining applications.

  • Item NO.:

    9139426 0001871 000
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

9139426 Hydraulic Pump

 
Product Specifications

Part Number 
99139426
Part Name Hydraulic Pump
Compatible Brand Hitachi
Applicable Models EX800H-5, EX750-5
Application Excavator
Material High-Strength Alloy Steel
Product Color Metallic Gray
Working Temperature -30°C to +90°C
Key Function Provide hydraulic flow and pressure for excavator operating systems
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Flow Hydraulic Performance

Delivers consistent oil supply for demanding excavation, loading, and material handling operations.

Leak-Free

Optimized System Efficiency

Promotes stable pressure output and responsive hydraulic actions across multiple work functions.

Direct Fitment

Heavy-Duty Reliability

Designed to withstand prolonged operation in mining, quarry, and large-scale construction environments.

Rigorous Testing

Accurate Equipment Matching

Configured to fit EX800H-5 and EX750-5 hydraulic systems for dependable field installation.

Excavator Hydraulic Part

FAQ


QWhat operational issues may suggest the hydraulic pump is deteriorating?
A: Common indicators include sluggish attachment movement, reduced digging performance, abnormal pump noise, and unstable system pressure.

 

QWhy does the excavator experience intermittent hydraulic power loss?
A: Internal wear, insufficient oil supply, contaminated hydraulic fluid, or excessive leakage within the pump may cause performance fluctuations.
 
Q: Can this pump operate effectively in high-load mining applications?
A: Yes. Its robust hydraulic design supports continuous performance during intensive excavation and material extraction tasks.
 
Q: How does the pump handle severe temperature and dusty jobsite conditions?
A: The durable internal structure helps maintain stable hydraulic output when operating in harsh outdoor environments and extended-duty cycles.
 
Q: What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A:Listed Factory
   Stable&Reliable Quality
   OEM Factory for Chinese Top Excavator Brands
   Supplier to Fortune 500 Companies

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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