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RITO Cylinder Head Pin 120501-01081 for Doosan DX300LC Excavator Boom Arm Cylinder

Worn pins cause costly downtime for mines and wholesalers. Misalignment from low-quality parts leads to catastrophic cylinder failure under heavy loads. The 120501-01081 offers a precise fit. This high-strength pin for Doosan DX300LC uses vacuum quenching to ensure zero-defect operation.efect fleet operation.

  • Item NO.:

    120501-01081
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Stop risking fleet safety with inferior pins that increase maintenance cycles. Our 120501-01081 provides extreme wear resistance for mining. This Boom Arm Cylinder Pin minimizes friction and boosts margins for agents, making it an essential, high-durability upgrade for industrial demand.

120501-01081 Arm Cylinder Head Pin

 
Product Specifications

Part Number  120501-01081
Part Name Cylinder Head Pin
Compatible Brand Doosan
Applicable Models Doosan DX300LC
Application Excavator hydraulic system
Material High-Strength Alloy Steel
Product Color Metallic Grey or Black Oxide
Working Temperature -40°C to 120°C
Key Function Connecting and securing the boom/arm cylinder to the excavator linkage
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Superior Alloy Durability

Forged from premium alloy steel with advanced heat treatment to withstand extreme shear stress in rigorous mining and heavy excavation environments.
Leak-Free

Precision OEM Compatibility

Engineered specifically for the Doosan DX300LC hydraulic system to ensure a seamless fit, reducing mechanical vibration and preventing ear wear.
Direct Fitment

Anti-Corrosion Finish

Features a specialized surface coating that prevents oxidation and rust, maintaining structural integrity even in humid or chemically harsh jobsites.

Rigorous Testing

Optimized Lubrication Design

Precision-machined oil channels ensure uniform grease distribution, significantly reducing friction heat and extending the service life of bushings.
 
 

 

Excavator Hydraulic Part

FAQ


Q: What specific failure symptoms indicate the 120501-01081 needs urgent replacement?
A: Common "red flags" include abnormal metallic knocking during cylinder movement, visible play in the linkage, or uneven wear on the cylinder ears. Ignoring a loose 120501-01081 can lead to ovalization of the mounting holes, resulting in expensive structural repairs rather than a simple pin swap.
 
Q: What are the critical technical requirements for installing this pin?
A: Prior to installation, the housing must be inspected for scoring and thoroughly cleaned. We recommend using a high-pressure molybdenum disulfide grease. The pin should be installed using a hydraulic press or specialized driver to ensure alignment; excessive force with a hammer can damage the surface hardening layer.
 
Q: How can we ensure procurement accuracy for a large-scale Doosan fleet?
A: To confirm compatibility, verify the OEM part number 120501-01081 against your Doosan DX300LC parts manual. Our technical team also provides precise dimensional drawings (Diameter x Length) for agents to cross-reference, ensuring 100% fitment for both standard and reinforced boom configurations.
 
Q: How does this product perform in extreme temperatures or heavy mining conditions?
A: This pin is built for resilience. Its metallurgy is tested for low-temperature impact toughness, remaining crack-resistant down to -40°C. In high-heat mining environments up to 120°C, the vacuum-quenched surface maintains its hardness, preventing the "softening" and rapid wear common in low-grade alternatives.

 

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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