CATEngine Parts

1w1064 Gear-Flywheel Ring — Cat 3114 3116

This is a flywheel ring gear, a crucial component that engages with the starter motor to initiate engine rotation during startup. Manufactured from hardened steel to withstand high torque and abrasion, it provides a durable engagement surface compared to a worn or chipped gear. Failure symptoms typically include the starter motor grinding or failing to engage the engine, often accompanied by a distinct metallic screeching sound.

Gear-Flywheel Ring – Part No 1w1064 – 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 TypeFlywheel Ring Gear
MaterialHardened forged steel
ApplicationEngine starting system
Service LifeReplace as needed due to wear or damage
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom of a worn flywheel ring gear is the starter motor spinning freely without engaging the engine, often producing a loud grinding noise. If the gear teeth are severely damaged, the starter may intermittently engage or fail to crank the engine at all. Continued attempts to start with a damaged gear can further damage the starter motor pinion.

Installation Tip

Ensure the flywheel surface is perfectly clean and free of oil or grease before installing the new ring gear. Avoid using excessive force or hammering, which can damage the gear teeth or the flywheel itself.

Service Note

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