CATEngine Parts

2W8147 Gear — Cat 120H 120H es

This is a robust Gear, designed to transmit rotational force within various mechanical systems of Caterpillar equipment. It is constructed from high-strength steel for durability and precise tooth engagement, ensuring smooth power transfer unlike a worn or broken gear. Failure of this gear can result in loss of drive, grinding noises, or complete cessation of function in the affected system.

Gear – Part No 2W8147 – 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 TypeGear
MaterialHardened steel
ApplicationTransmission, final drive, or auxiliary systems
Service LifeReplace if worn, chipped, or broken
CompatibilityCAT 120H, 120H ES, 120H NA, 120K, 120K 2
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first indication of a failing gear might be an audible grinding or whining noise during operation. As wear progresses, you may experience intermittent loss of power or jerky engagement of the affected system. If the gear fails completely, it will result in a complete loss of function for that specific drive or component.

Installation Tip

Ensure the gear shaft and bore are clean and free of burrs before installation. Do not use excessive force; the gear should seat properly without binding.

Service Note

Inspect the lubricant for metal particles, which indicate gear wear, and check the condition of the mating gear and bearings.