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RITO Axial Piston Pump 4292735 EX1800 K3V280 Excavator Spare Parts Assy 4181839 4247958 EX1800-2 Main Hydraulic Pump Assembly

When large mining excavators experience hydraulic pressure loss or unstable system performance, productivity can decline rapidly and maintenance expenses can escalate. The 4292735 main hydraulic pump assembly is engineered for EX1800 and EX1800-2 excavators, delivering powerful and continuous hydraulic output to support demanding excavation operations.

  • Item NO.:

    4181839 4247958 424
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

4181839 Hydraulic Pump

 
Product Specifications

Part Number 
4181839
Part Name Hydraulic Pump
Compatible Brand Hitachi
Applicable Models EX1800, EX1800-2
Application Excavator
Material Heavy-Duty Alloy Steel
Product Color Metallic Gray
Working Temperature -35°C to +115°C
Key Function Generate And Distribute Hydraulic Power Throughout Excavator Systems
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Capacity Hydraulic Delivery

Produces strong and stable hydraulic power for intensive excavation and material handling operations.

Leak-Free

Designed For Mining Equipment

Built to support the demanding requirements of large-scale mining and quarry machinery.

Direct Fitment

Smooth System Response

Enables accurate hydraulic actuation, improving operational precision and machine efficiency.

Rigorous Testing

Heavy-Duty Service Life

Reinforced internal construction helps reduce wear and maintain long-term reliability.

 

Excavator Hydraulic Part

FAQ


QWhich symptoms commonly indicate a main hydraulic pump issue?
A: Reduced digging performance, delayed hydraulic response, excessive system heat, abnormal vibration, and pressure fluctuations are typical signs.
 
QWhat installation precautions should technicians follow?
A: Ensure hydraulic lines are thoroughly cleaned, use qualified hydraulic oil, inspect filters, and eliminate contamination before startup.
 
Q: Can this pump support continuous heavy-load mining applications?
A: Yes. It is developed to provide reliable hydraulic performance during prolonged excavation and ore-handling operations.
 
Q: How does the pump perform under extreme operating conditions?
A: The robust design allows stable operation in dusty mines, high-vibration environments, and wide temperature variations with proper maintenance.
 
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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