CATBearing & Bushing

1151651 Universal Joint Gp — Cat 938K 950G

This is a Universal Joint Group, a crucial component in the drivetrain that transmits rotational power between shafts that are not aligned. It is engineered for high torque capacity and durability, ensuring smooth power transfer even under changing angles, unlike a worn U-joint which would exhibit clicking or binding. Operators may notice a clunking noise when shifting into gear or accelerating, or a vibration through the driveline, if this U-joint group begins to fail.

Universal Joint Gp – Part No 1151651 – 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 TypeUniversal Joint Group
MaterialForged steel
ApplicationDriveshaft articulation
Service LifeReplace based on inspection, typically 2000-4000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing universal joint is often a clicking or clunking sound when engaging the drivetrain or changing direction. This can progress to noticeable vibration felt through the machine, especially under load. If left unaddressed, a worn U-joint can cause excessive wear on surrounding drivetrain components and potentially lead to a driveshaft separation.

Installation Tip

Ensure the driveshaft yokes are clean and free of burrs before installing the new U-joint. Press the bearing caps in evenly, ensuring they are fully seated without damaging the trunnions.

Service Note

Inspect the driveshaft itself for balance issues or damage, and check the universal joints at both ends of the shaft for wear.