CATHydraulic Parts

3g-2750-3g2750 Hydraulic Pump Cartridge 3G 2750 — Cat 631C 633C

This hydraulic pump cartridge, also known as a 3G 2750, is a precision-engineered component responsible for generating hydraulic flow within the pump assembly. It consists of a set of internal gears and housing designed to meet original equipment specifications for optimal performance and durability. A worn or damaged cartridge will result in reduced hydraulic pressure and flow, leading to sluggish machine operation and potential system overheating.

Hydraulic Pump Cartridge 3G 2750 – Part No 3g-2750-3g2750 – 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 Cartridge
MaterialHardened Steel
ApplicationHydraulic Pump Assembly
Service LifeReplace based on performance degradation
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic pump cartridge will first manifest as a loss of hydraulic power, making implements feel weak or slow to respond. If ignored, the pump's efficiency will continue to decline, leading to increased cycle times and potential overheating of the hydraulic fluid. Continued operation risks severe damage to the hydraulic pump and other critical system components.

Installation Tip

Thoroughly clean the hydraulic pump housing and all associated lines before installing the new cartridge to prevent contamination. Ensure the cartridge is correctly oriented and seated within the pump housing before assembly.

Service Note

Inspect hydraulic fluid and filters for debris or metal particles, which can indicate internal pump wear, when replacing the cartridge.