CATHydraulic Parts

191-9662 Hydraulic Gear Pump — Cat 216 226

This is a hydraulic gear pump, a vital component responsible for generating hydraulic flow and pressure to power machine functions. It is manufactured to meet strict OEM quality standards, ensuring superior durability and performance compared to a worn or failed unit. Operators may notice a loss of hydraulic power, slow or erratic operation of implements, or a whining noise from the hydraulic system when this gear pump begins to fail.

Hydraulic Gear Pump – Part No 191-9662 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

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 TypeHydraulic Gear Pump
MaterialHardened steel
ApplicationHydraulic system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing 191-9662 gear pump may include a slight decrease in hydraulic system pressure or slower implement response. If ignored, the pump's output will diminish significantly, leading to reduced machine productivity and potential overheating of the hydraulic fluid. Complete failure will result in a loss of all hydraulic functions, rendering the equipment inoperable.

Installation Tip

Thoroughly clean the pump mounting area and ensure the shaft key is properly seated. Do not reuse old seals or O-rings; always replace them with new ones.

Service Note

Inspect the hydraulic fluid for contamination and replace the hydraulic filter when installing a new gear pump.