CATEngine Parts

242-6776 Hydraulic Piston Fan Motor — Cat 330D 336D

This hydraulic piston fan motor is a critical component of the engine's cooling system, regulating airflow to prevent overheating. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to a worn or failing unit which may exhibit leaks or reduced rotational force. Operators may notice increased engine temperatures, unusual fan noise, or a loss of cooling efficiency when this motor begins to fail.

Hydraulic Piston Fan Motor – Part No 242-6776 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypeHydraulic Piston Fan Motor
MaterialSteel, Aluminum, Rubber Seals
ApplicationEngine Cooling System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a noticeable decrease in fan speed or intermittent operation. If left unaddressed, the motor's performance will continue to degrade, leading to insufficient cooling and potential engine damage. Prolonged operation with a failing fan motor risks severe engine overheating and component failure.

Installation Tip

Before installation, ensure the hydraulic system is properly flushed to remove any debris that could damage the new motor's internal components. Avoid overtightening hydraulic fittings, as this can damage the port threads or the fitting itself.

Service Note

Inspect hydraulic fluid levels and filter condition, and check for any leaks in the hydraulic lines connected to the fan motor.