138-8389: IDLER AS-BRG
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    138-8389: IDLER AS-BRG

    Part Number: 138-8389
    Brand: Cat
    Retrieving Price.....

    Idler (Fabricated)


    • Idlers guide the track in and out of the track rollers. They intermittently support the machine's weight and provide a way to control track slack and tension.

    forestry excavators

    track excavators
    350L, 350, 345BIIMH