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RITO 353-0539 3530539 Swing Shaft Pinion 311C 311D 312C 312D 312E 313D 314D Excavator Swing Drive Shaft Pinion Spare Parts

The RITO 353-0539 / 3530539 swing shaft pinion is engineered for precise torque transmission in the swing drive system of 311C 311D 312C 312D 312E 313D 314D excavators. It plays a critical role in converting hydraulic motor output into controlled swing motion, ensuring smooth upper structure rotation during digging, loading, and positioning operations.

  • Item NO.:

    3530539
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

3530539 Drive Shaft

 
Product Specifications

Part Number  3530539
Part Name Drive Shaft
Compatible Brand Hitachi
Applicable Models 311C 311D 312C 312D 312E 313D 314D
Application Excavator
Material Case-Hardened Alloy Steel
Product Color Metallic Grey, Black
Working Temperature -40°C to 135°C
Key Function High Impact Resistance, Precision Gear Engagement, Wear Resistance
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Accurate Swing Motion Transmission

Delivers stable rotational conversion for smooth excavator upper structure movement.

Leak-Free

High Hardness Gear Profile Design

Strengthened tooth surface reduces wear under frequent swing start-stop cycles.

Direct Fitment

Improved Load Impact Resistance

Performs reliably under sudden directional changes and heavy bucket loading conditions.

Rigorous Testing

Compatible Multi-Model Fitment

Suitable for 311C 311D 312C 312D 312E 313D 314D swing drive systems.

 

Excavator Hydraulic Part

FAQ


QWhat are common failure signs of a swing shaft pinion?
A: Abnormal swing noise, jerky rotation, gear skipping, metal debris in oil, and reduced swing torque output.
 
QWhat installation precautions should be followed?
A: Ensure correct gear meshing depth, clean lubrication system, proper bearing alignment, and correct torque tightening.
 
QIs this pinion suitable for high-frequency swing operations?
A: Yes, it is designed for repeated start-stop swing cycles in construction and earthmoving applications.
 
Q: Can worn pinions affect swing gearbox lifespan?
A: Yes, worn gear teeth can cause uneven load distribution, increased vibration, and accelerated gearbox damage.
 
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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