CATHydraulic Parts

9T8647 Pump G — Cat D7H D7R

This is a hydraulic pump, specifically a gear-type pump, designed to generate the necessary flow and pressure for the machine's hydraulic system. Manufactured to meet stringent quality and performance benchmarks, it ensures reliable operation and longevity, unlike a worn pump that may cause intermittent issues. Operators may observe a loss of hydraulic power, slow or jerky implement movements, or unusual noises from the pump area when this unit begins to fail.

Pump G – Part No 9T8647 – 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.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

ay dispatch before 3 PM IST.', };

Related CAT Parts

From the same category — may also be needed

1P4220
Gear Pump-Hydraulic
1977063
Rotocoil As
3412814
Caterpillar Cylinder & Seal Gp-Bucket 3412814
2265561
Valve Seat Insert (Exhaust)
1862821
Pump Gp-Ps
0S1595
Cap Screw

Browse all CAT Hydraulic Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

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 Gear Pump
MaterialHardened Steel Alloy
ApplicationHydraulic System
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic pump may initially manifest as a whining sound or a gradual decrease in hydraulic system responsiveness. If ignored, this can lead to increased cycle times, overheating of the hydraulic fluid, and potential damage to other hydraulic components. The most significant risk is a complete loss of hydraulic function, rendering the equipment inoperable.

Installation Tip

Before installation, ensure the pump mounting surface and drive shaft are perfectly clean and free of any debris or corrosion. Never force the pump onto the drive coupling; proper alignment is crucial to prevent damage to the shaft or pump gears.

Service Note

When replacing the hydraulic pump, it is essential to inspect and replace the hydraulic filter element and check the condition of hydraulic hoses and fittings.