CATERPILLAR 077-2989 Seal 0772989

Caterpillar 077-2989 Seal – OEM-Grade Durability for Articulated Dump Trucks, Paving Compactors, and Pipelayers

The Caterpillar 077-2989 Seal is a precision-engineered component designed to deliver exceptional sealing performance across a range of heavy machinery, including the 8TF-D400D, 2JJ-D40D, 9LR-D350E, 2YR-D400E, and 1MD-D400 articulated dump trucks, as well as paving compactors like the 7CD-CB-614, 7BD-CP-553, 6ZD-CS-551, and 7AD-CS-553, and pipelayers such as the 6NL-561H, 1KW-561M, CPH-561N, and TAD-561N models. Manufactured to OEM specifications, this seal ensures optimal compatibility and longevity under extreme load conditions and harsh environmental factors. Its robust elastomeric compound and precision metallurgy provide superior resistance to wear, heat, and hydraulic fluid degradation, making it indispensable for maintaining drivetrain integrity and preventing contamination ingress.

Technically, the 077-2989 Seal features a high-performance lip design that maintains consistent contact pressure within critical hydraulic and mechanical assemblies, ensuring leak-free operation and enhanced machine uptime. The seal’s dimensions and material composition are optimized for dynamic applications, providing excellent resilience against pressure fluctuations and mechanical vibrations typical in articulated dump trucks and compactors. By minimizing friction and wear, this seal contributes to improved fuel efficiency and reduced maintenance intervals, ultimately lowering total cost of ownership. Its proven reliability in heavy-duty Caterpillar equipment underscores its role in sustaining peak operational performance in demanding construction and mining environments.

🔗 For detailed specifications and purchasing options, visit the official Caterpillar 077-2989 Seal product page at AllParts Expert.