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Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology

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Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology

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MOQ : 1PCS

Price : Negotiable

Payment Terms : L/C,T/T

Supply Ability : 10000 PCS/Month

Delivery Time : 7-30 Days

Packaging Details : Standard Exporting Packing

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Komatsu PC600 Excavator Undercarriage Spare Parts - Professional Heat-treated Track Bottom Roller 9109493


1. What is a track roller?

Track rollers serve as the undercarriage’s load-bearing backbone, tasked with supporting the bulldozer’s full weight, absorbing severe ground shocks, and contributing to over 70% of operational resistance—a non-negotiable role in machinery performance.

For track and carrier rollers, materials like 40Mn2,40MnB,50Mn are selected based on working conditions. Through precision forging and subsequent heat treatment, the rollers achieve HRC52-60 surface hardness and a 7-10mm hardened layer depth (HRC45), ensuring high impact resistance and wear durability on their contact surfaces. Equipped with high-quality floating seals and a reliable lubrication system, they operate seamlessly in extreme climates ranging from -45℃~120℃ with minimal maintenance requirements.

Our Track Rollers feature a unique welding-before-CNC-machining process on vertical lathes, eliminating concentricity errors and significantly reducing rapid wear issues. This craftsmanship ensures superior operational stability and extends the service life of the products, delivering unmatched quality in heavy-duty applications.



Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology


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

✅ Military-Grade Sealing Integrity

Each roller undergoes rigorous 0.6 MPa (6 bar) high-pressure gas testing – 60% beyond industry standards – to guarantee zero-leak reliability in extreme conditions. This critical QC process eliminates oil seepage at the source through advanced sealing technology. Validated via accelerated wear simulations, the assemblies deliver >3,000-hour operational lifespans despite constant immersion in abrasive mixtures (e.g., silica-rich mud, granite slurry) and dynamic stresses from rock impacts. The result: field-proven resilience that slashes maintenance costs.


✅ Forged Alloy Armor Defense
Precision metallurgy for extreme environments:

  • Surface Shield: 60-65 HRC hardness → Crushes wear

  • Structural Core: 450MPa+ tensile strength → Defies impacts

  • Shaft Defense: Triple chrome plating → Outlasts corrosion


✅ Battle-Proven Load Capacity
Engineering breakthroughs eliminating failure modes:
30% optimized load distribution → Neutralizes stress concentrations
Reinforced raceways/bearings → Prevents flange wear & bending
Sustained cyclical load endurance → Slashes downtime, boosts longevity


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

End Excavator Downtime: Conquer Rock & Slash Costs

Problem (Pain Points):

Rollers Shatter Prematurely on rock-strewn terrain
Spiraling Repair Bills eating your profits
Profit-Killing Breakdowns crippling productivity


Solution (Our D10 Rollers):

22% Fuel Savings
Advanced low-resistance design cuts operating costs

Seamless Komatsu Fit
Direct OEM replacement = zero installation headaches

3X Lifetime vs Standard
*Premium alloys + 3-Year Structural Warranty*

>3,000-Hour Durability
Proven in granite slurry & high-impact conditions


Closing Hook:

Stop Losing Money to Weak Rollers
Protect Your Investment → Maximize ROI


Unstoppable Traction & Uptime Start Here:

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


Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology



4. Production Processes


Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology



5. Track Roller Structure



Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology



6. Design/Structure/Main Dimensions of Installation


Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology





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


Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology


Wholesale Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology from china suppliers

Wholesale Caterpillar D10 Bulldozer Track Roller Assembly Undercarriage System With Heat-treatment Technology Images

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