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RITO Arm Cylinder Head Pin 120501-01078 Boom Cylinder Pin for Doosan DX300LC Excavator

Generic pins fail fast in harsh mine/quarry conditions, raising replacement costs & risking project delays. SolveRITO 120501-01078 boom cylinder pin—precision-machined for Doosan DX300LC, high-strength alloy, OEM-grade reliability, stable supply for B-end bulk orders.

  • Item NO.:

    120501-01078
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Engineered for Doosan DX300LC excavators, RITO 120501-01078 arm cylinder head pin addresses B-end pain points: extreme wear, poor fit, & supply volatility. Ideal for mines, quarries, & heavy construction; outperforms generic pins in load capacity, durability, & compatibility. Supports wholesalers/agents with scalable, consistent quality & fast delivery.

120501-01078 Boom Cylinder Pin

 
Product Specifications

Part Number  120501-01078
Part Name Arm Cylinder Head Pin
Compatible Brand Doosan
Applicable Models Doosan DX300LC Excavator
Application Excavator hydraulic system
Material High-Strength Alloy Steel
Product Color Metal silver
Working Temperature -20°C to +120°C
Key Function Connects arm cylinder & boom, transmits hydraulic force, resists wear/impact
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Ultra-High Wear Resistance

Made of premium alloy steel with heat treatment, delivering 3x longer service life than standard pins in abrasive mining/construction environments.
Leak-Free

Precision OEM Compatibility

CNC-machined to exact Doosan DX300LC specs; ensures perfect fit for arm/boom cylinder, eliminating installation errors & fluid leaks.
Direct Fitment

Heavy-Duty Load Capacity

Withstands extreme hydraulic pressure & shock loads; critical for B-end heavy-duty cycles, reducing downtime & maintenance frequency.

Rigorous Testing

Stable Bulk Procurement Support

Standardized production and sufficient stock supply, suitable for agent wholesale and mine fleet centralized purchasing, lowering overall operating costs.
 
 

 

Excavator Hydraulic Part

FAQ


Q: What are the common fault symptoms of a faulty cylinder head pin?
A: Abnormal noise during operation, hydraulic cylinder jitter, increased clearance, oil leakage at joints, & reduced digging efficiency; immediate inspection avoids structural damage.
 
Q: What installation technical requirements must be followed?
A: Clean pin/bushing surfaces, maintain 0.02-0.05mm clearance, apply high-pressure grease, align pin holes precisely, & torque bolts to OEM specs; improper installation causes premature wear.
 
Q: How to confirm procurement adaptability for Doosan DX300LC?
A: Verify part number 120501-01078, match pin diameter/length to DX300LC arm/boom cylinder, check serial number compatibility, & confirm working pressure rating (≥35MPa); avoid model mismatch.
 
Q: How does the pin perform in extreme environments?
A: Operates reliably in -20°C to +120°C, resists corrosion in dusty/humid mines, & withstands 40+ tons of impact load; heat-treated alloy prevents cracking in heavy-duty quarry/construction use.
 
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

Leave A Message
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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