8E-7857: LINK A
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    8E-7857: LINK A

    Part Number: 8E-7857
    Brand: Cat
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    Sealed Link Assembly (One Piece Belleville Washer)


    • Link assemblies, driven by the sprocket and final drive, provide support for the machine weight, a rail for the machine to run on, and a place for the shoes to attach.


    • Sealed track has contact between the internal pin and bushing causing wear to begin immediately because of the friction between the two parts. This results in a significant increase of internal wear life of the link assembly. Grease Lubricated Track link assemblies are direct replacements for sealed link assemblies on Cat Hydraulic Excavator models.
    • Belleville washers are springs shaped like a washer. They are used in Sealed Track to help keep the system sealed.

    • US
    • Metric
    • Number of Track Sections: 45
    • Track Pitch (in): 10.3
    245D 245B