Products

RITO Piston Pump Shoe Plate 138857 M2X210 138857 Hydraulic Pump Thrust Plate Slipper Wear Plate Excavator Pump Repair Part

Is your excavator’s hydraulic system losing speed and power as the oil heats up during tough work shifts? Deep grooving on a scored shoe plate allows high-pressure oil to leak past the piston slippers, causing sluggish machine performance and driving up fuel consumption. Restore your pump's power with the matched RITO 138857 thrust plate.

  • Item NO.:

    138857
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Wholesale parts managers need reliable, long-lasting pump rebuild components to satisfy demanding repair shop clients. The RITO 138857 wear plate features micro-lapped sealing surfaces that maintain a tight fluid seal under high operating pressures. Stock this premium slipper plate to give your clients a reliable solution for heavy-duty pump overhauls.

138857 Shoe Plate

 
Product Specifications

Part Number  138857
Part Name Hydraulic Pump Thrust Plate Slipper Wear Plate Excavator Pump Repair Part
Compatible Brand Tongmyung
Applicable Models Excavator Swing Motors utilizing M2X210 Hydraulic Pump Internals
Application Excavator hydraulic system
Material High-Hardness Alloy Steel
Product Color Polished Steel Silver Finish
Working Temperature -30°C to 115°C
Key Function Providing a flat sliding surface for piston slippers to hold system volume flow
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Matched Planar Sealing Faces

The wear surface is micro-lapped to achieve a near-perfect fluid seal against the piston shoes.

Leak-Free

Premium Antifriction Material Layer

Specialized alloy face ensures excellent sliding properties even during low-lubrication startups.

Direct Fitment

High-Strength Backing Structure

Toughened base resists metal fatigue and distortion from continuous high-pressure cyclic loading.

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 visual indicators tell a rebuild technician that the 138857 thrust wear plate is completely worn out?
A: Deep circular scratch rings across the sealing tracks, faded surface coloring from severe overheating, or micro-pitting erosion around the wear zones require the component to be replaced.
 
Q: What preparation is critical before bolting this thrust plate into the swing motor housing?
A: Workshop mechanics must clean out the entire housing cavity, check that the mounting face is flat, and ensure that no grit is trapped behind the plate during final reassembly.
 
Q: Will this 138857 plate fit aftermarket motors or is it strictly for original equipment rebuilds?
A: This plate is machined to universal standard dimensions for this specific motor series, interfacing seamlessly with both OEM housings and high-quality replacement pump groups.
 
Q: How does this thrust wear plate avoid structural cracking under continuous heavy attachment work?
A: The alloy steel body undergoes deep thermal conditioning to increase its resistance to pressure fatigue, keeping the sliding surface flat and true even during severe, high-vibration rock breaking shifts.
 

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

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.

Related Products

141634 Cylinder Block
RITO Hydraulic Pump Cylinder Block 141634 EX200-1 EX220-1 HPV116 HMG32 Main Pump Rotating Group Barrel for Excavator

RITO Hydraulic Pump Cylinder Block 141634 is designed for EX200-1, EX220-1, HPV116, and HMG32 main pumps. For distributors and agents: standardized dimensions ensure drop-in replacement, reducing return rates. Mining customers benefit from high-wear resistance, minimizing unplanned pump failures.    

View More
720773 Cylinder Block
RITO Hydraulic Pump Cylinder Block Front 720773 K3V112DT K3V63 K3V140 Excavator Main Pump Rotating Group Assembly for Excavator

This RITO 720773 Cylinder Block Front is a critical core component for K3V112DT, K3V63, and K3V140 excavator hydraulic pumps, forming part of the rotating group assembly. It works with pistons and valve plates to ensure stable pressure generation, precise flow output, and efficient hydraulic performance in construction environments.    

View More
720773 Cylinder Block Front
RITO Hydraulic Pump Cylinder Block Front 720773 Valve Plate K3V112 K3V112DT Excavator for Construction Machinery

Hydraulic efficiency loss in excavators leads to sluggish cycles and high fuel costs. Worn cylinder blocks and valve plates cause internal leakage, paralyzing your fleet. The 720773 and K3V112DT series resolve these critical failures, restoring system pressure for heavy-duty construction demands.

View More
704543A Piston Shoe
RITO Hydraulic Pump Piston Shoe 704543A K3V112DT K3V63 K5V140 Excavator Main Pump Slipper for Construction Machinery

Worn piston shoes cause catastrophic internal friction and pressure loss in main pumps, leading to expensive machine downtime. The 704543A slipper addresses these vulnerabilities. Engineered for high-load mining, it prevents "slipper tilt" and scoring that often plagues inferior low-cost parts.

View More
641202 Valve Plate
RITO Hydraulic Pump Valve Plate 641202 for Komatsu PC200-7 PC200-8 MB85 Excavator Main Pump

The RITO Hydraulic Pump Valve Plate 641202 is designed for high-efficiency and durable performance in demanding excavator applications such as the Komatsu PC200-7, PC200-8, and MB85. Whether for wholesale or direct mining applications, this valve plate improves hydraulic flow and pump reliability. Unlike traditional valve plates, it ensures a longer operational lifespan, reducing maintenance costs and downtime. This makes it a critical component for heavy-duty machinery in challenging environments. The 641202 enhances performance by providing superior seal integrity and operational stability, crucial for minimizing operational disruptions.     

View More
648012 Friction Plate-Bronze
RITO Bronze Friction Plate 648012 friction Plate-Bronze for Komatsu PC160-7 JCB JS160 Takeuchi TB135 MSF85P

Facing frequent downtime & high replacement costs on excavator friction parts? RITO Bronze Friction Plate 648012 solves core pain: unstable friction, rapid wear & poor heat resistance. Ideal for wholesalers, agents & mine clients; fits Komatsu PC160-7, JCB JS160, Takeuchi TB135, MSF85P. Delivers consistent torque, lower maintenance & longer service life.

View More
648013 Separation Plate-Steel
RITO Steel Separation Plate 648013 separation plate-steel for Komatsu PC160-7 JCB JS160 Takeuchi TB135 MSF85P

Generic separators fail in heavy mining/construction, causing premature wear, hydraulic system damage, and costly delays. Solution:RITO Steel Separation Plate 648013 delivers OEM-grade durability, perfect fit for Komatsu PC160-7, JCB JS160, Takeuchi TB135, MSF85P, and reliable aftermarket support to cut costs and maximize uptime.

View More
204-2683 Hydraulic Pump Actuator
RITO Hydraulic Pump Actuator 204-2683-DM Hydraulic Pump Lifter for Caterpillar CAT E320C SBS120 SBS140

Mine/wholesalers/agents face unplanned downtime, poor part compatibility, and high maintenance costs on CAT E320C/SBS120/SBS140. Generic actuators leak, fail fast, and delay projects, eroding profits. RITO 204-2683-DM is OEM-grade, direct-fit, and built for harsh mining/construction. It cuts downtime, lowers costs, and boosts resale value.

View More
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.

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.

Home

Products

whatsApp

contact