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1543309 Shaft-Track Fits Caterpillar Models
1543309 Shaft-Track Fits Caterpillar Models
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$848.00 AUD
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One New Aftermarket Replacement Track Idler Shaft for Caterpillar (Cat) D9 Series Track-Type Tractors
This aftermarket replacement Track Idler Shaft (Shaft-Track Idler) is a precision-fit undercarriage component for Caterpillar D9 series large track-type tractors and bulldozers. The track idler shaft supports the front idler assembly within the undercarriage system, working to maintain proper track tension and alignment for reliable machine mobility. Weighing approximately 61-63 lbs, this is a heavy-duty shaft built to handle the demands of construction, demolition, mining, and quarry applications.
Specifications
- Weight: approximately 61-63 lbs
- Application: Front track idler assembly (undercarriage)
- OEM alternate format: 154-3309
Compatible Models
Caterpillar D9 Series Track-Type Tractors (Bulldozers): D9R, D9T
Replaces Part Number(s):
1543309, 154-3309
New aftermarket replacement part - not remanufactured, not used.



