1389712 Shaft-Track Fits Caterpillar Models
1389712 Shaft-Track Fits Caterpillar Models
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One New Aftermarket Replacement Track Idler Shaft for Caterpillar (Cat) Construction Equipment
This aftermarket replacement track idler shaft (also referenced as a shaft-truck idler) is a critical undercarriage component that supports and guides the front idler assembly on Caterpillar tracked machines. The idler shaft works within the undercarriage system to maintain proper track tension, prevent slack or binding, and ensure smooth track rotation across all types of terrain. Replacing a worn or damaged idler shaft restores correct track alignment and helps extend the service life of surrounding undercarriage components.
Specifications
- Approximate Dimensions: 24.21 x 9.06 x 11.22 in.
- Approximate Weight: 57.7 lbs.
Compatible Models
Caterpillar (Cat) Tracked Construction Equipment: Verify exact model fitment by serial number before ordering. This part fits Caterpillar tracked dozers and related undercarriage-equipped equipment. Confirm compatibility with your machine serial number prior to purchase.
Replaces Part Number(s):
1389712
New aftermarket replacement part - not remanufactured, not used.



