207-30-54140 Spring Fits KOMATSU PC300-6One New Aftermarket Replacement Track Recoil Spring for Komatsu Excavators This aftermarket replacement track recoil spring fits the Komatsu PC300 6 excavator and related models. Located in the track adjuster assembly on each undercarriage side, the recoil spring absorbs shock and impact loads from the track and front idler, protecting the undercarriage from overload damage and maintaining proper track tension across rugged terrain. Compatible Models
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