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XIAMEN YINTAI MACHINERY CO., LTD

  • China,Xiamen ,Fujian
  • Verified Supplier
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China Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts With Heavy Duty
China Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts With Heavy Duty

  1. China Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts With Heavy Duty
  2. China Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts With Heavy Duty
  3. China Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts With Heavy Duty

Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts With Heavy Duty

  1. MOQ: 1PCS
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms L/C,T/T
Supply Ability 10000 PCS/Month
Delivery Time 7-30 Days
Packaging Details Export Packaging
Model NO. D20 Track Roller
Application Excavator
Condition New
Finish Smooth
Quality OEM Quality
Color Black or Yellow or Customized
Material 50mnb Steel
Brand Name YT
Model Number D20
Place of Origin China
Certification ISO9001: 2000

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T Supply Ability 10000 PCS/Month
Delivery Time 7-30 Days Packaging Details Export Packaging
Model NO. D20 Track Roller Application Excavator
Condition New Finish Smooth
Quality OEM Quality Color Black or Yellow or Customized
Material 50mnb Steel Brand Name YT
Model Number D20 Place of Origin China
Certification ISO9001: 2000
High Light Excavator Undercarriage PartsD20 Bottom Track RollerUndercarriage Parts Bottom Track Roller

Komatsu D20 Bottom Track Roller Excavator Undercarriage Parts for Sale With Heavy Duty Forged Steel

 


1. What is a track roller?

As the backbone of excavator undercarriage systems, track rollers bear the full weight of the machine while enduring extreme ground impacts. Accounting for over 70% of operational resistance, their quality directly determines undercarriage longevity and machine efficiency. Unlike conventional welded rollers prone to structural failure, our friction-welded rollers utilize advanced metallurgical bonding to create seamless, ultra-durable assemblies – delivering 35% longer service life than industry standards.



2. Engineering Excellence: Why Our Track Rollers Dominate Severe Conditions

Military-Grade Sealing Integrity

Every roller undergoes 0.6Mpa pressurized gas testing – exceeding OEM specifications to eliminate oil leakage and guarantee 10,000+ hour lifespans in mud, sand, and abrasive environments.


Forged Alloy Armor Defense

Precision-forged shells undergo deep-case hardening and quench-tempering treatments, achieving:

  • Rockwell 60-65 HRC surface hardness
  • 450MPa+ tensile strength
  • riple-layer chrome plating on shafts


Battle-Proven Load Capacity

Re-engineered internal raceways and tapered bearings distribute load forces 30% more efficiently, preventing:

  • Premature flange wear
  • Bending deformation under cyclical load


Genuine Komatsu DNA

Direct-from-factory components include:

  • 100% OEM-matched dimensions

  • Forged alloy steel certified to JIS G4051

  • raceable heat batch documentation


3. The Cost-Smart Solution for Mining & Heavy Earthmoving

Conquer Rocky Terrain & Slash Costs on Your D20

Tired of your D20 suffering from:

  • Premature roller failure on harsh, rocky ground?
  • Spiraling maintenance bills as hours climb?
  • Profit-killing unplanned downtime?

Upgrade to Our D20 Rollers for Proven Results & ROI:

  • ✅ Save 22% on Fuel: Advanced design delivers significantly lower rolling resistance.
  • ✅ Perfect Komatsu Fit: Direct interchange with 70G-75-21100 rollers - installs seamlessly.
  • ✅ Unmatched Durability: Built tough with premium alloys, backed by a robust 3-Year Structural Warranty.

Unstoppable Traction & Uptime Start Here:

Factory-Direct Pricing | ISO 9001 Certified Quality | Global Logistics Network




4. Production Processes




5. Track Roller Structure





6. Design/Structure/Main Dimensions of Installation






7. Our Advantages 

* World-class quality

* Factory sale directly with reasonable price

* 35 years experience in Excavator & Bulldozer spare parts manufacturing

* Flexible payment terms including T/T, L/C and so on

* Fast delivery within 30 days after contract established

* Professional sales team, quality inspection, and report, maritime logistics guidance

* After-sale services: video technical support,24h online support


8. Hot Sale Products


Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2011

  • Total Annual:

    10Million-20Million

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts. YinTai cooperates with Chinese famous large steel mills, such as Fujian S... XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts. YinTai cooperates with Chinese famous large steel mills, such as Fujian S...

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Get in touch with us

  • Reach Us
  • XIAMEN YINTAI MACHINERY CO., LTD
  • No.83-5, Xin’An Road, Nei Cuo Town, Xiang’An District, Xiamen City, China
  • https://www.undercarriagespare-parts.com/

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