CATHydraulic Parts

6T4257 Caterpillar Gear Pump-Hydraulic 6T4257 — Cat

This is a robust hydraulic gear pump engineered to deliver consistent fluid flow and pressure for essential machine operations. Manufactured to meet stringent OEM performance standards, it provides reliable power transfer, unlike a worn pump that may cause sluggish or inconsistent system response. Operators may notice a lack of power, slow implement movement, or complete loss of hydraulic function if this pump fails.

Caterpillar Gear Pump-Hydraulic 6T4257 – Part No 6T4257 – 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 TypeHydraulic gear pump
MaterialHardened steel alloy
ApplicationMain hydraulic system
Service LifeReplace every 5,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing hydraulic gear pump is often a noticeable decrease in the speed or power of hydraulic functions. If ignored, the pump may begin to intermittently lose pressure, leading to unpredictable operation. The ultimate risk is a complete loss of hydraulic power, rendering the equipment inoperable.

Installation Tip

Thoroughly flush the hydraulic system to remove any contaminants before installing the new pump. Ensure the pump shaft is properly aligned with the drive coupling to prevent premature wear.

Service Note

Inspect hydraulic fluid and filters for contamination, and check hydraulic lines for internal damage when replacing the hydraulic gear pump.