D85 Excavator Top Roller for 8.5-Ton Machines ISO CE Certified
| Attribute | Value |
|---|---|
| Condition | 100% Brand-new |
| Marketing Type | Hot Product 2025 |
| Dimension | Standard |
| Terms Of Payment | 30% Downpayment,70% Before Shipment |
| Type | Single Flange/Double Flange |
| Heat Treatment | Quenching And Tempering |
| Certification | ISO.CE |
The D85 top roller is a key wear part in the undercarriage of Komatsu D85 bulldozers, designed to support the track between the sprocket and idler. It plays a vital role in guiding track movement, absorbing shock from rough terrain, and preventing premature wear on other undercarriage components (e.g., tracks, sprockets). Regular inspection and maintenance of the top roller are essential to ensure the bulldozer’s stability, reduce downtime, and extend the life of the entire undercarriage system.
Our production involves rigorous quality-controlled processes:
- High-grade Material Selection: Components are crafted from premium materials for maximum durability
- Outer Race/Shell: High-carbon chromium bearing steel (SUJ2) for superior hardness and wear resistance
- Inner Roller/Spindle: Alloy steel (SCM440) engineered to withstand significant radial and axial loads
- Seals & Lubrication: Nitrile rubber (NBR) seals for oil resistance with lithium-based grease for long-term lubrication
- Quality Assurance: All materials undergo thorough inspection for chemical composition and mechanical properties using spectrometers and hardness testers
A: We have over ten years of export experience and operate our own bushing factory. CCJT specializes in multiple resource integration with strong quality assurance and excellent service.
A: Typically 5-8 days after order confirmation, depending on quantity.
A: Standard product samples are free; customers cover shipping costs which are refundable with order placement.
A: We manufacture to confirmed specifications with strict quality control, including production inspections and final pre-shipment checks.
A: We welcome all customers regardless of order size and are committed to mutual growth.
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