CATHydraulic Parts

1597986 Motor Gp-Gear — Cat 938G 950G

This gear motor is a key component in the machine's hydraulic drive system, converting hydraulic fluid flow and pressure into rotational mechanical output to power components like wheels or implements. It is engineered for durability and precise operation, unlike a worn motor that may exhibit reduced torque or leaks. Operators might notice a loss of drive power, unusual noises from the drive system, or sluggish movement of the powered component when this gear motor is failing.

Motor Gp-Gear – Part No 1597986 – 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 Motor Assembly
MaterialHardened Steel, Cast Iron, Seals
ApplicationHydraulic Drive System
Service LifeReplace as needed based on performance and inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The initial symptoms of a failing gear motor include a gradual decrease in the torque or speed of the driven component, accompanied by potential increases in hydraulic system temperature. If ignored, the motor may begin to slip, produce excessive noise, or leak hydraulic fluid, leading to a significant loss of drive power and potentially rendering the machine inoperable. Continued operation risks damage to the hydraulic system and the driven component.

Installation Tip

Ensure the hydraulic system is completely drained and flushed to remove any contaminants before installing the new gear motor. Double-check that the drive shaft is properly aligned with the driven component to prevent binding.

Service Note

Inspect the hydraulic fluid for metal particles and check the condition of the hydraulic filter and hoses connected to the motor.