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RITO Hydraulic Pump Retainer Plate 138853 M2X210 138853 Piston Pump Set Plate Slipper Retainer Plate Excavator Pump Parts

Troubled by rapid main pump rattling or sudden loss of flow consistency under heavy earthmoving pressure? When fatigued retainer elements flex, fast-moving piston shoes drift off their calibrated alignment track, creating severe housing gouges and freezing your rotating mechanisms completely. Resolve structural instability inside your pump core with the precision-stamped RITO 138853 slipper set plate.

  • Item NO.:

    138853
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Bulk industrial supply networks cannot maintain profitability with fragile internal plate components that bend during high-frequency stroke indexing. The high-stiffness RITO 138853 plate holds the rotary piston collars securely down to guarantee optimal fluid sealing and extended pump life. Equip your service facility with this heavy-duty plate to secure reliable overhaul outcomes.

138853 Set Plate

 
Product Specifications

Part Number  138853
Part Name Piston Pump Set Plate Slipper Retainer Plate Excavator Pump Parts
Compatible Brand Tongmyung
Applicable Models Excavator Swing Motors utilizing M2X210 Hydraulic Pump Internals
Application Excavator hydraulic system
Material High‑strength Alloy Steel
Product Color Polished Steel Metallic Silver
Working Temperature -30°C to 115°C
Key Function Securing piston slipper shoes tightly against the sliding track of the swash plate
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Stiffness Stamped Carbon Steel

Prevents deflection under intense axial loading to secure stable rotating clearances.

Leak-Free

Micro-Polished Shoe Recesses

Lowers mechanical drag at the slipper neck interface to eliminate extreme heat generation.

Direct Fitment

True Planar Flatness Precision

Minimizes gaps across the sliding faces to block internal hydraulic fluid back-leakage.

Rigorous Testing

 Multi-Tier Quality Options

We provide Original, OEM, and Premium Aftermarket grades, allowing distributors to meet diverse client budgets and performance needs.

 

Excavator Hydraulic Part

FAQ


Q: What warning flags tell an inspection mechanic that the internal retainer plate has buckled or cracked during operation?
A: A noticeable rise in pump case return line temperature, a loud screeching noise echoing within the pump group, and erratic attachment responses when trying to lift heavy structural loads at maximum throttle.
 
Q: What assembly verification must be completed by workshop technicians when seating this replacement set plate?
A: Maintenance crews must verify that each piston shoe pivots freely inside its specific socket opening without catching, and ensure no grease or grit remains trapped underneath before final tightening.
 
Q: Can parts distributors store this 138853 component for aftermarket systems or is it restricted to OEM overhauls?
A: This part is precision-machined to standard industry dimensions for this 210cc displacement frame, making it fully compatible with both original housings and high-grade replacement rotating groups globally.
 
Q: How does this slipper retainer plate survive high cyclical vibrations from attached hydraulic rock breaking hammers?
A: The high-tensile steel blank is subjected to specialized stress-relieving heat conditioning, which preserves optimal internal metal grain structure and stops fatigue fractures from forming under pressure shocks.
 
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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