Sprocket 139-4304 for CAT 301.8 301.8C Mini Excavator | Undercarriage Replacement Parts Manufacturer
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Sprocket 139-4304 for CAT 301.8 301.8C Mini Excavator Undercarriage Replacement Parts Manufacturer Product Overview Front Idler for CAT 307C Mini Digger | Undercarriage Aftermarket Parts Product Specifications Item Parameter Detailed Specification Product Name Excavator Drive Sprocket / Chain Sprocket Compatible Model For CAT 301.8, CAT 301.8C Mini Excavator OEM Part Number 139-4304 Material High-strength Alloy Cast Steel Surface Treatment Deep Induction Hardening Hardness