Fits Models At A Glance:
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Komatsu Excavators: PC120-6
Key Notes:
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Weight: 57 lbs (25.9 kg)
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Part Number: 203-30-66250
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Application: Track tension recoil spring
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Location: Undercarriage track assembly
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Material: High-tension steel spring
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Function: Maintains proper track tension and absorbs impact
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Interchange With: OEM 203-30-66250
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Notes: Designed for PC120-6 only — verify serial number for exact match
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