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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.

 

 

  • Item NO.:

    720773
  • Order(MOQ):

    1
  • Payment:

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

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Internal wear, poor matching accuracy, and unstable pressure can lead to reduced efficiency and pump failure. This cylinder block is manufactured with OEM-level precision, featuring high wear resistance, tight tolerance control, and excellent surface finishing to ensure reliable sealing and long service life. Backed by RITO’s stable supply chain and professional technical team, we provide fast technical support and rapid replacement solutions to keep your equipment running efficiently.
 

720773

 
Product Specifications

Part Number (OEM) 720773
Part Name Front Cylinder Block
Compatible Brand Tongmyung
Applicable Models K3V112DT, K3V63, K3V140
Material High-strength alloy steel
Product Color:  Metallic gray
Operating Pressure Support pressure generation and flow output within hydraulic pump
Working Temperature -20°C to 90°C 
Actuation Type Hydraulic Proportional Control
Condition 100% Brand New Aftermarket
Warranty 6 Months Manufacturer Warranty

 

Key Features & Advantages


Precision

High-Precision Machining

Ensures accurate fit with pistons and valve plate, maintaining stable pressure and flow output.

Leak-Free

Excellent Wear Resistance

Hardened surface and high-strength material reduce internal wear and extend pump lifespan.

Direct Fitment

Stable Hydraulic Performance

Supports consistent pressure generation and efficient system operation under load.

Rigorous Testing

OEM-Level Compatibility

Manufactured to match original specifications for reliable assembly and direct replacement.

 

Excavator Hydraulic Part

 

FAQ


Q: What are the common failure symptoms of a cylinder block?

A: Pressure loss, internal leakage, abnormal noise, and reduced efficiency usually indicate wear or poor sealing.

Q: What should be noted during installation?

A: Ensure clean assembly, proper lubrication, and precise matching with pistons and valve plate.

 

Q: How can I confirm compatibility before purchasing?

A: Please verify part number (720773) and pump models K3V112DT / K3V63 / K3V140.

 

Q: Can it perform under high-load conditions?

A: Yes, it is designed for stable performance under continuous high-pressure and heavy-duty operation.

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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