CATEngine Parts

1878194 Gear As- Drive — Cat 120M 12M

This drive gear is a crucial component within the transmission or drivetrain system, responsible for transmitting rotational power from one shaft to another to enable vehicle movement. Manufactured to precise specifications, it ensures smooth and efficient power transfer, unlike a worn gear with chipped teeth or excessive backlash. Operators might observe grinding noises during gear changes, difficulty engaging gears, or a loss of drive power if this gear is failing.

Gear As- Drive – Part No 1878194 – 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 TypeDrive Gear
MaterialHardened steel
ApplicationTransmission/Drivetrain
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial signs of a failing drive gear may include audible grinding noises when shifting or a slight hesitation in power delivery. If ignored, the gear teeth can wear down further, leading to increased backlash, difficulty engaging gears, or complete loss of drive. Continued operation risks damage to other transmission components.

Installation Tip

Thoroughly clean the gear housing and inspect mating surfaces for any burrs or damage before installing the new gear. Ensure proper alignment with the mating shaft to prevent binding or premature wear.

Service Note

Inspect and replace associated bearings, seals, and the mating gear within the transmission or drivetrain assembly when installing a new drive gear.