Factory Price YC85 Lug-Pattern Excavator Track Roller Bottom Roller for 8.5-Ton Yuchai YC85-Series

The YC85 Track Roller is a precision-engineered bottom roller designed for 8.5-ton excavators, ensuring durability, excellent load-bearing capacity, and smooth operation in demanding construction environments.The YC85 series is a line of small excavators produced by Guangxi Yuchai Heavy Industry Co., Ltd., a subsidiary of Yuchai Group. The most common model in this series is the ​​YC85-8​​, a compact 8-ton excavator designed for light to medium-duty construction, municipal, and agricultural tasks.

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