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RITO SK330-8 SHOE PLATE 640303 M5X180 640303 Hydraulic System Component Power Repair Unit Driving Power Device

Facing hydraulic motor wear, unstable power output, or reduced efficiency in SK330-8 excavator fleets? Wholesalers, repair shops, and mining contractors need durable internal components for fast maintenance turnaround and reduced downtime. RITO SK330-8 Shoe Plate 640303 M5X180 ensures stable hydraulic pressure distribution and reliable motor performance for heavy-duty excavator operations.

  • Item NO.:

    640303
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Compared with low-precision aftermarket parts, it offers improved surface hardness, precise fit accuracy, and stable friction control under continuous load conditions. Designed for M5X180 hydraulic motor systems, it supports OEM/OEM-equivalent supply, bulk procurement, and consistent multi-model compatibility for mining, quarrying, and construction machinery maintenance.

 

 
Product Specifications

Parameter Item Specification Data
Product Name Swing Motor Shoe Plate / Slipper Retainer Plate
Part Number 640303
Compatible Equipment Kobelco SK330-8 Excavator, M5X180 Swing Motor
Product Color Matte silver quenched metal surface
Working Ambient Temperature -22℃ to +58℃
Hydraulic Fluid Operating Temperature -8℃ to +78℃
Core Function Apply balanced preload pressure on piston shoes, stabilize sliding fit between slippers and valve plate to guarantee steady swing torque output
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages


Precision

Stable Hydraulic Pressure Support

Ensures smooth internal flow and consistent motor performance in M5X180 systems.

Leak-Free

Precision Fit for SK330-8 System

Designed to match 640303 specification for accurate installation and system compatibility.

Direct Fitment

High Wear Resistance Material

Reduces friction loss and extends service life under continuous heavy-duty operation.

Rigorous Testing

Fleet Maintenance Efficiency

Ideal for wholesalers and repair kits requiring fast replacement and reduced downtime.


Excavator Hydraulic Part

FAQ


Q:What are common symptoms of shoe plate failure?
  • A:Typical issues include unstable rotation, weak hydraulic output, overheating, and increased vibration during operation.
  •  

 

Q:What must be checked before installation?

A:Ensure hydraulic system cleanliness, proper lubrication, surface inspection, and correct alignment during assembly.

  •  
  •  

Q:How to ensure correct model selection?

A:Verify part number 640303 and confirm compatibility with SK330-8 M5X180 hydraulic motor systems before purchase.


Q:Can it operate in mining conditions?
A:Yes, it is designed for high-load, high-temperature, and dust-heavy environments such as mining, quarrying, and continuous construction operations.

 
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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