CATHydraulic Parts

4T7426 Pump G — Cat 225 227

This is a high-quality aftermarket replacement for the Caterpillar Pump G (4T7426), essential for maintaining proper hydraulic fluid circulation and pressure. Manufactured to meet stringent quality standards, it offers reliable performance and durability comparable to the original component. Operators may experience reduced hydraulic system power, slow or erratic implement movement, or overheating if this pump begins to fail.

Pump G – Part No 4T7426 – 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
MaterialCast Iron and Steel
ApplicationHydraulic System
Service LifeReplace based on performance degradation
Compatibility225, 227
ConditionNew — Aftermarket Replacement

Failure Symptoms

A failing hydraulic pump may initially present as a loss of hydraulic power or sluggish operation of implements. If the issue progresses, inconsistent pressure and increased cycle times will become apparent, potentially leading to overheating of the hydraulic fluid. Continued operation with a compromised pump risks damage to other hydraulic components and reduced machine productivity.

Installation Tip

Ensure the hydraulic reservoir is clean and properly filled with the correct fluid type before installing the new pump. Avoid running the pump dry during initial startup, as this can cause internal damage.

Service Note

It is recommended to inspect and potentially replace the hydraulic filter and check the hydraulic fluid for contamination when servicing the pump.