Caterpillar D8N/D8R/D8T Track Link assembly(P/N:6Y1136)-216/44L

Product Specifications

The CAT D8N Track Chain Assembly is a critical component of the bulldozer’s undercarriage system, designed to withstand extreme loads, abrasion, and harsh working conditions. It connects the track shoes, transfers power from the sprocket, and ensures smooth mobility over rough terrain.

Key Features

• Durable Construction: Forged alloy steel links with hardened pins and bushings for extended service life.

• Precision Fit: Engineered to match CAT D8N specifications (verify serial number for exact compatibility).

• Optimal Performance: Maintains proper track tension and reduces wear on sprockets/idlers.

• Available in OEM & Aftermarket: Choose between Genuine CAT or high-quality alternatives (CQC,DPW etc.).

Common Applications

• Earthmoving, mining, forestry, and heavy construction.

• Compatible with CAT D8N bulldozers (confirm model variations like D8R if applicable).

Symptoms of Wear/Failure

• Excessive track elongation (>3% stretch).

• Broken/misaligned links or cracked bushings.

• Uneven sprocket wear or track derailment.

Part Number Reference

• OEM Example:6Y1136/8E4518/9W3317(varies by machine serial number – consult Cat SIS or dealer).

• Aftermarket Equivalents: Available from trusted brands (include if applicable).

Why Choose This Assembly?

• CAT OEM: Guaranteed fit and performance.

• Aftermarket: Cost-effective with comparable durability.

• Easy Installation: Pre-assembled for efficient replacement.

Maintenance Tips

• Regularly check track tension (follow CAT specs).

• Lubricate pins/bushings (if equipped with sealed joints).

• Inspect for debris buildup between links.