CATBearing & Bushing

4V8673 Bearing — Cat 966D 966F

This is a high-performance bearing designed for critical applications in wheel loader transmissions and drive systems. It functions to support rotating shafts, reduce friction, and ensure the efficient transfer of power. Manufactured to meet stringent OEM specifications, it provides superior durability and load-carrying capacity over a worn bearing, which can lead to increased drivetrain noise and reduced operational efficiency. Operators may notice abnormal noises, vibrations, or difficulty in shifting gears when this bearing begins to fail.

Bearing – Part No 4V8673 – 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 TypeTransmission Bearing
MaterialHardened steel alloy
ApplicationWheel loader transmission or final drive
Service LifeReplace as part of transmission overhaul or upon inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing 4V8673 bearing is often an audible whine or grinding noise from the transmission or drive axle, which may change with speed. As wear progresses, this noise will intensify, and the operator might experience vibrations or difficulty engaging gears. Continued operation risks severe damage to the transmission gears and shafts.

Installation Tip

Ensure the bearing seat in the transmission housing and the shaft are perfectly clean and free from any burrs or imperfections. Proper alignment is crucial to prevent damage during press-fitting.

Service Note

Inspect transmission gears, seals, and the lubricant for any signs of wear or contamination when replacing this bearing.