The 3S9986 Chain Sprocket is a heavy-duty undercarriage component designed specifically for the Caterpillar D6C bulldozer. It plays a vital role in driving the track chain and ensuring smooth, efficient power transmission from the final drive system to the tracks. Built for demanding earthmoving, mining, and construction environments, this sprocket delivers reliable performance and long service life.

Engineered for Maximum Power Transmission

The sprocket teeth are precisely machined to engage the track chain accurately, reducing slippage and ensuring stable machine movement. This improves overall bulldozer efficiency, especially in high-load working conditions such as grading, pushing, and heavy excavation.

With OEM-standard dimensions, the 3S9986 sprocket guarantees perfect compatibility with Caterpillar D6C undercarriage systems, ensuring easy installation and dependable operation.

Heavy-Duty Material Construction

Manufactured from high-strength alloy steel, the sprocket is designed to withstand extreme impact, abrasion, and torque stress. The material undergoes advanced heat treatment to enhance hardness while maintaining toughness, reducing the risk of cracking or premature wear.

This durability ensures the sprocket performs reliably even in harsh environments such as rocky terrain, mining sites, and continuous heavy-duty operation.

Extended Service Life and Lower Maintenance Costs

A worn sprocket can accelerate damage to the track chain and other undercarriage components. The 3S9986 Chain Sprocket is engineered to minimize wear patterns and maintain consistent engagement with the track links, significantly extending undercarriage life.

By reducing the frequency of replacements and downtime, it helps operators lower maintenance costs and improve overall productivity.

Key Features

• OEM Part Number: 3S9986
• Suitable for Caterpillar D6C Bulldozer
• High-strength alloy steel construction
• Precision-machined sprocket teeth
• Advanced heat-treated for durability
• Excellent wear and impact resistance
• Stable and efficient power transmission
• Long service life in harsh environments

Applications

Ideal for construction, mining, quarrying, land clearing, road building, and heavy earthmoving operations requiring reliable undercarriage performance.

The 3S9986 Chain Sprocket ensures your Caterpillar D6C operates with maximum efficiency, durability, and reduced downtime in the toughest working conditions.