CATCooling System

9y7840 Spider As-Fan — Cat 950F 950F ii

This Spider As-Fan is a crucial component within the engine's cooling system, responsible for driving the fan to ensure adequate airflow through the radiator. Manufactured to meet stringent quality standards, it provides reliable operation and durability, unlike a worn or damaged assembly. A failing spider bearing may produce audible noise, such as grinding or rattling, from the fan area.

Spider As-Fan – Part No 9y7840 – CAT Spare Part
Part Specifications
BrandCAT
CategoryCooling System
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

Flush cooling system with distilled water before refilling. Use pre-mixed coolant — never plain water, which causes corrosion. Pressure-test system after any cooling repair. Check thermostat by immersing in hot water — should open at rated temperature.

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

Part TypeSpider As-Fan
MaterialSteel Alloy
ApplicationCooling System Fan Drive
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

An audible grinding or rattling noise originating from the fan area is often the first sign of a failing spider bearing. If left unaddressed, the bearing can seize, leading to fan belt damage or the fan detaching. This could result in a loss of cooling and potential damage to other engine components.

Installation Tip

Ensure the fan belt is properly tensioned after installation; a loose belt can cause slippage and premature wear. Do not reuse old mounting hardware, as it may be fatigued or damaged.

Service Note

Inspect the fan blades, belt tension, and radiator core for damage or debris when replacing the fan spider assembly.