CATCooling System

4N1948 Gear — Cat 3408

This Gear is a precision-engineered component designed to transmit rotational motion and torque within various mechanical systems. It is manufactured to strict tolerances, ensuring optimal meshing and durability, unlike a worn gear with damaged teeth that can cause noise and inefficient power transfer. Operators may notice increased noise, vibration, or a reduction in the smooth operation of the equipment when this gear begins to fail.

Gear – Part No 4N1948 – 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 TypeGear
MaterialHardened Steel
ApplicationPower Transmission / Drivetrain
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing gear may be an increase in operational noise, such as grinding or whining. If ignored, the damaged teeth can lead to intermittent engagement or complete failure of power transmission. Continued operation risks further damage to the gear and potentially other components in the drivetrain.

Installation Tip

Ensure the gear is properly seated on its shaft and that the meshing with its mating gear is smooth and free of binding. Proper lubrication is critical before initial engagement.

Service Note

When replacing this gear, it is crucial to inspect the mating gear, bearings, and seals for any signs of wear or damage.