CATHydraulic Parts

1M9188 Gear (12 Teeth) — Cat 631C 633C

This is a 12-tooth gear, a fundamental component within the power train or hydraulic system responsible for transmitting rotational force. Manufactured to CAT specifications, it ensures precise meshing and durability, unlike a worn gear with damaged teeth that can cause grinding noises and power loss. Operators might observe increased vibration, difficulty engaging gears, or a noticeable whine if this gear is failing.

Gear (12 Teeth) – Part No 1M9188 – CAT Spare Part
Part Specifications
BrandCAT
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

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 train or hydraulic system
Service LifeReplace as needed based on inspection
CompatibilityCAT D343, 16, 631C, 633C, 657
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a worn or damaged gear include an audible clicking or grinding noise during operation, especially under load. If ignored, the gear teeth can chip or break, leading to intermittent power loss and potential binding of the driven component. The worst consequence is complete failure of the drive system, rendering the equipment inoperable.

Installation Tip

Thoroughly clean the gear housing and ensure all old lubricant and debris are removed before installing the new gear. Avoid forcing the gear onto the shaft; ensure proper alignment of splines to prevent damage.

Service Note

Inspect the mating gear and shaft for wear, and check any associated bearings or seals for signs of leakage or damage.