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RITO Main Hydraulic Pump Assy 9254122 ZX650LC-3 K3V280 Variable Displacement Pump 4635645 9254123 0005271 Main Pump

Sluggish swing velocity and continuous cylinder stuttering under extreme rock face peeling indicate an active displacement bypass leak within your shovel's primary pressure loops. When abrasive quarry dust opens up the micro-clearances across the rotary cylinder face, engine lugging spikes and your massive earthmover loses its high-yardage productivity. Prevent unexpected structural operational stalls from paralyzing your ZX670LCH-3 mining schedules.

  • Item NO.:

    9254122 4635645 9254
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Re-establish absolute system pressure control with the premium RITO Excavator Main Pump Assy 9254122. Purpose-built around a heavy-tonnage K3V280 Axial Piston Pump framework, this robust Hydraulic Pump core guarantees stable multi-circuit oil distribution to keep multi-million dollar mass excavation targets moving flawlessly.

9254122 Hydraulic Pump

 
Product Specifications

Part Number  9254122 / 4635645 / 9254123 / 0005271
Part Name Heavy Duty Axial Piston Mining Main Pump
Compatible Brand Hitachi
Applicable Models ZX670LCH-3, Large Core Shovels
Application Excavator hydraulic system
Material High Tensile Nodular Cast Iron and Hardened Alloy Steel
Product Color Severe Duty Matte Black
Working Temperature -20 to 120 degrees Celsius
Key Function Massive Hydraulic Fluid Generation and Proportional Cross-Sensing Flow Control
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Giant K3V280 Internal Cylinder Core

supplies massive fluid volume per stroke, driving large boom and stick operations without flow starvation.

Leak-Free

Premium Multi-Lip High-Pressure Shaft Seals

tolerate severe temperature fluctuations, protecting the flywheel compartment from grease ingress.

Direct Fitment

Nodular Vacuum-Degassed Casting Structure

absorbs intense high-frequency flow pulsations, dampening jobsite cab vibrations.

Rigorous Testing

Global Supply Tiering

We offer Original, OEM, and high-performance Aftermarket options to provide flexible procurement strategies for diverse regional markets.
 
 

 

Excavator Hydraulic Part

FAQ

Q: What mechanical symptoms indicate that a massive 670-series primary pump has sustained internal copper plate score lines?
A: A high-pitched metallic screeching under extreme load pressure, abnormal oil heating spikes inside the central tank, and sudden track drift.
 
Q: What cleaning protocols must shop technicians run on the cooling grid lines when replacing a blown mining pump?
A: Shop technicians must perform a complete chemical back-flush on the oil cooler loop and vacuum out the debris pocket inside the tank.
 
Q: Will this 9254122 block drop straight into alternative part configurations without adding line adapters?
A: Yes, part 9254122 serves as a native engineering match for references 4635645, 9254123, and 0005271, providing absolute drop-in fitment.
 
Q: How does this large-frame pump block handle high pressure cycles when breaking frozen granite profiles?
A: The pump uses micro-ground hydrostatic pads that establish a resilient fluid film, preventing internal components from metal scuffing.
 
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.

Leave A Message

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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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