CATHydraulic Parts

9T9912 Pump Gp — Cat D6H D6H XL

This is a Caterpillar Pump Group, part number 9T9912, a vital component responsible for generating hydraulic flow and pressure within the machine's operational systems. Manufactured to meet rigorous CTP aftermarket standards, it offers a reliable and durable alternative to worn or failed original pumps. Operators may experience a significant loss of hydraulic power, sluggish or non-responsive controls, and potential overheating of the hydraulic system when this pump group is malfunctioning.

Pump Gp – Part No 9T9912 – 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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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 Pump Group
MaterialCast Iron and Steel
ApplicationHydraulic power generation
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing hydraulic pump group often first manifests as a gradual decrease in the speed and power of all hydraulic functions. If the issue progresses, the system may become completely unresponsive, and the hydraulic fluid can overheat due to internal leakage. Continued operation with a faulty pump risks severe damage to other hydraulic components, including cylinders and valves.

Installation Tip

Ensure the hydraulic reservoir is filled with the correct type and amount of fluid before starting the pump to prevent dry running. Always prime the pump before initial startup to remove air from the system.

Service Note

Inspect hydraulic filters, hoses, and the hydraulic fluid for any signs of contamination or wear when replacing the pump group.