CATBearing & Bushing

7x8698 Universal Joint — Cat Ap 1055D Ap 800 Ap 800C

This universal joint is a critical component in the driveline system, designed to transmit rotational power between shafts that are not perfectly aligned. Manufactured to meet Caterpillar's robust standards, it offers superior durability and smooth power transfer compared to a worn or failing joint. Operators may notice clunking noises during acceleration or deceleration, vibration, or a loss of power if this universal joint is compromised.

Universal Joint – Part No 7x8698 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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
MaterialForged Steel
ApplicationDriveline System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first noticeable symptom of a failing universal joint is often a clunking sound when engaging or disengaging power, or during gear changes. This can progress to noticeable vibration transmitted through the chassis, especially at higher speeds. If left unaddressed, the joint can fail completely, leading to a loss of drive and potential damage to the driveshaft or transmission.

Installation Tip

Ensure that the driveshaft is properly phased and that the universal joint caps are seated evenly before tightening the retaining straps or bolts. Never reuse old retaining hardware.

Service Note

Inspect the driveshaft, companion flanges, and bearing caps for wear or damage during universal joint replacement.