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RITO Hydraulic Piston Pump 9270013 EX1200-6 K3V280 Excavator Main Pump Assy 9275691 9272551 EX1200-5 Main Hydraulic Pump

Hydraulic systems in EX1200-class excavators often lose efficiency after long-term mining cycles, showing signs such as sluggish response and inconsistent power delivery. RITO 9270013 EX1200-6 K3V280 Hydraulic Piston Pump Assembly is developed to re-establish stable operating pressure for ultra-heavy construction machinery working under continuous load stress.

  • Item NO.:

    9275691 9272551 466
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

9275691 Hydraulic Pump

 
Product Specifications

Part Number 
4624058
Part Name Hydraulic Pump
Compatible Brand Hitachi
Applicable Models EX1200-6, EX1200-5
Application Excavator
Material Forged High-Strength Alloy Steel
Product Color Industrial Grey
Working Temperature -25°C to 95°C
Key Function Restores hydraulic pressure stability and excavator working efficiency
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

System Pressure Rebalancing Function

Restores uniform hydraulic force distribution across all working circuits.

Leak-Free

K3V280 Heavy-Duty Piston Architecture

Built for large excavators requiring sustained high-displacement hydraulic output.

Direct Fitment

Enhanced Multi-Action Stability

Improves coordination between digging, lifting, and swinging under full load conditions.

Rigorous Testing

Designed for High-Hour Mining Equipment Recovery

Suitable for EX1200-5 and EX1200-6 machines operating in long-cycle harsh environments.

 

Excavator Hydraulic Part

FAQ


QWhat indicates hydraulic instability in EX1200-6 equipment?
A: Reduced digging force, delayed actuator response, uneven movement, and fluctuating system pressure.
 
QWhat must be checked before installation?
A: Hydraulic oil cleanliness, suction line condition, coupling alignment, and system pressure balance.
 
Q: Is this pump suitable for continuous mining operations?
A: Yes, it is designed for long-duration heavy-duty excavation environments.
 
Q: Why is full system stability more important than partial repair?
A: Because imbalance affects all hydraulic functions, full restoration ensures consistent machine performance and reduced downtime.
 
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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