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RITO Hydraulic Pump Cylinder Block 2052956 HPV118JW-25B 2052956 Piston Pump Rotor Group Excavator Main Pump Repair Component

Microscopic deep scratching across a worn rotor chamber allows high-pressure fluid to blow directly past the timing bridge, dropping your digging capacity while burning unnecessary fuel. Overhaul your primary variable pump block utilizing the micro-finished RITO 2052956 piston barrel set to re-establish tight factory compression boundaries.

  • Item NO.:

    2052956
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Heavy equipment overhaul workshops and high-volume industrial importers cannot afford weak volumetric leakage after executing a major main pump tear-down. The premium RITO 2052956 rotating group barrel delivers a micro-lapped interface that matches distributing wear surfaces perfectly to ensure consistent pressure delivery. Procure this high-fatigue core component today to secure dependable machinery cycle metrics for your commercial accounts.

2052956 Cylinder Block

 
Product Specifications

Part Number  2052956
Part Name Hydraulic Pump Cylinder Block
Compatible Brand Tongmyung
Applicable Models 20-Ton Class Tracked Machinery utilizing HPV118JW Series Pumps
Application Excavator hydraulic system
Material High-Hardness Alloy Steel
Product Color Polished Steel Silver Finish
Working Temperature -30°C to 115°C
Key Function Housing piston elements to compress hydraulic fluid and distribute volume output across system channels
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Bimetallic Wear Surface Fusion

Advanced copper-alloy bonding layers create a tough, low-friction seal directly against the valving component.

Leak-Free

Micro-Finished Piston Guide Chutes

Smooth internal barrel surfaces minimize high-frequency slipper drag to block premature scuffing wear.

Direct Fitment

Tough Forged Matrix Shell

High-tensile forged alloy block structure easily absorbs continuous fluid cyclic shocks without structural stress cracking.

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 exact physical evidence during a teardown reveals that the 2052956 block face is bleeding fluid internally?
A: Mechanics will discover deep circular scoring tracks cut across the bronze layer, discoloration from localized high heat spikes, and heavy metal wash erosion surrounding the high-pressure relief slots.
 
Q: What baseline inspection protocols must engineering workshop technicians carry out when sliding this block onto the main shaft?
A: Rebuild teams must check that the drive shaft splines fit tightly without forcing the unit, coat the piston slots with clean oil, and check the spring retention tension against original limits.
 
Q: Does this 2052956 listing accommodate both the primary front circuit and the secondary rear circuit within the pump?
A: This bimetal cylinder casting features unified internal dimensions that match both the front and rear rotating group chambers of this specific dual-pump housing layout.
 
Q: How does this hydraulic cylinder barrel resist port distortion when operating under continuous high-load quarry conditions?
A: The alloy casting undergoes stress-relieving thermal tempering during manufacturing to preserve structural flatness, stopping high-pressure fluid bypass even during continuous, high-vibration demolition 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

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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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