High-Strength Material: Caterpillar pins and bushings are manufactured from high-carbon, alloy steel. They are through-hardened or case-hardened to create an extremely hard, wear-resistant outer surface while maintaining a tough, shock-absorbing core.
Precision Machining: They are machined to very tight tolerances to ensure a perfect fit within the linkage, preventing excessive play that can lead to impact damage and premature failure.
Advanced Sealing System: Each joint is protected by a robust sealing system, typically a Duo-Cone Seal. This seal consists of two precision-ground metal rings that form a labyrinth-like barrier, effectively keeping abrasive contaminants (like dirt and dust) out and retaining vital lubricating grease inside.
This 134-3080 pin is used for 972H 972K 972L 972M wheel loader.






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