CATHydraulic Parts

3P6816 Caterpillar Gear Pump-Hydraulic 3P6816 — Cat

This Caterpillar gear pump is a vital component of the hydraulic system, responsible for generating the flow and pressure needed to operate various machine functions. Manufactured to strict OEM standards, it ensures reliable performance and longevity, unlike a worn pump that exhibits reduced output and internal leakage. Operators may notice sluggish hydraulic response, decreased lifting capacity, or unusual noises emanating from the pump when it begins to fail.

Caterpillar Gear Pump-Hydraulic 3P6816 – Part No 3P6816 – 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
MaterialCast Iron, Steel
ApplicationMain Hydraulic System
Service LifeReplace as needed based on performance testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing gear pump include a noticeable decrease in the speed and force of hydraulic actuators. If ignored, the pump's internal wear will worsen, leading to inconsistent hydraulic performance and potential overheating of the hydraulic fluid. Continued operation risks significant damage to other hydraulic components due to insufficient flow or pressure.

Installation Tip

Ensure the pump shaft seal is properly lubricated before installation to prevent tearing during initial startup. Never run the pump dry, even for a brief moment, as this can cause immediate internal damage.

Service Note

Always replace the hydraulic filter element and inspect the hydraulic fluid for contamination when servicing or replacing the hydraulic gear pump.