206-30-55172 Spring Recoil Fits Komatsu ModelsOne New Aftermarket Replacement Recoil Spring for Komatsu Excavators This recoil spring is a key undercarriage component in the track adjuster assembly on Komatsu hydraulic excavators. Recoil springs function as shock absorbers within the track tensioner system, protecting the undercarriage from heavy impact and overload during operation. Replacing a worn or broken recoil spring restores proper track tension and helps prevent premature wear on
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