CATEngine Parts

188-0128 Hydraulic Gear Motor — Cat 3034 216

This hydraulic gear motor is a vital component for generating rotational force in various auxiliary systems, such as powering loaders or other attachments. It is manufactured to meet stringent OEM specifications for performance and longevity, ensuring reliable operation compared to a worn or leaking motor. Symptoms of a failing gear motor include reduced power to the driven component, erratic operation, and unusual noises.

Hydraulic Gear Motor – Part No 188-0128 – 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 TypeHydraulic Gear Motor
MaterialCast iron and steel gears
ApplicationHydraulic power transmission
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial indications of a faulty hydraulic gear motor may include a noticeable decrease in the speed or power of the attached equipment. If left unaddressed, the motor may begin to operate intermittently, produce loud whining or grinding noises, or fail to provide sufficient torque. Continued use risks hydraulic system overheating and potential damage to other connected components.

Installation Tip

Ensure the hydraulic system is properly bled of air after installation to prevent cavitation and ensure smooth operation. Avoid overtightening the motor mounting bolts, as this can distort the housing.

Service Note

Inspect hydraulic fluid, filters, and associated hoses and fittings when replacing the hydraulic gear motor.