CATBearing & Bushing

1309326 Sprocket-Track — Cat 307B 307C

This is a heavy-duty track sprocket designed to engage with the track links, providing the driving force for excavator movement. Manufactured to meet stringent durability standards, it offers superior wear resistance compared to a worn sprocket with chipped or rounded teeth. Operators may notice increased track noise, slipping, or poor traction when this sprocket begins to fail.

Sprocket-Track – Part No 1309326 – CAT Spare Part
Part Specifications
BrandCAT
CategoryBearing & Bushing
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Never strike bearings directly — use a bearing press or driver set. Heat housing (not bearing) to ease installation. Replace bearings in sets where applicable. Check housing bore diameter before fitting — out-of-round bores destroy new bearings.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeTrack Drive Sprocket
MaterialHardened steel
ApplicationTrack drive system
Service LifeReplace every 5,000-8,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial signs of a worn track sprocket include increased noise from the drive system and potential track slippage, especially under load. If ignored, the worn teeth will accelerate wear on the track links and reduce traction, making the machine difficult to maneuver. Continued operation risks damage to the final drive and track components.

Installation Tip

Ensure the final drive hub and sprocket mounting surface are clean and free of debris before installation. Do not reuse old mounting hardware if it shows signs of stretching or damage.

Service Note

Inspect the track chains, rollers, and idlers for wear and proper tension when replacing the drive sprockets.