CATEngine Parts

174-4126 Hydraulic Pump — Cat C18

This is a high-pressure hydraulic pump, a critical component responsible for generating the flow and pressure required for the machine's hydraulic systems. It converts mechanical energy from the engine into hydraulic power, enabling functions like lifting, steering, and actuating implements. A worn or failed hydraulic pump will result in sluggish or non-existent hydraulic functions, often accompanied by whining noises or overheating of the hydraulic fluid.

Hydraulic Pump – Part No 174-4126 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

M IST.', };

Related CAT Parts

From the same category — may also be needed

263-5419
Rocker Switch
liners
Liners
261-5057
Rocker Switch Assembly
6N4126lK
Engine Parts Component
250-4464
Radiator Tank
353-7439
Main Bearing Kit

Browse all CAT Engine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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, Steel
ApplicationMain Hydraulic System
Service LifeReplace as needed based on performance diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing hydraulic pump is a noticeable decrease in the speed and power of hydraulic functions. If ignored, this can progress to complete loss of hydraulic operation, making the equipment unusable for its intended tasks. The primary risk is the inability to operate critical functions, leading to significant downtime and potential damage to other hydraulic components.

Installation Tip

Thoroughly flush the hydraulic system before installing a new pump to remove any contaminants that could cause premature failure. Ensure the pump shaft is properly aligned with the drive coupling to prevent binding and damage.

Service Note

Replace the hydraulic filter element and inspect the hydraulic fluid for contamination when installing a new hydraulic pump.