CATEngine Parts

126t Fly Wheel Gear Ring — Cat

This is a Fly Wheel Gear Ring for CAT engines, designed to engage with the starter motor to initiate engine rotation. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged rings. Operators may notice difficulty starting the engine or a grinding noise during cranking when this component begins to fail.

Fly Wheel Gear Ring – Part No 126t – 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 TypeFly Wheel Gear Ring
MaterialHardened Steel
ApplicationEngine Starting System
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing gear ring include a delayed engine start or a distinct grinding sound as the starter attempts to engage. If ignored, the starter may repeatedly miss engagement, leading to an inability to crank the engine. Eventually, the gear teeth can become so worn that the starter motor can no longer engage, preventing the engine from starting.

Installation Tip

Ensure the fly wheel surface is meticulously cleaned of all old grease and debris before fitting the new gear ring. Avoid using excessive force or improper tools, as this can damage the new ring or the fly wheel.

Service Note

Inspect the starter motor and its pinion gear for wear or damage when replacing the fly wheel gear ring.