CATHydraulic Parts

sbs120 Hydraulic Pump Assy — Cat E320C E320D

This is a hydraulic pump assembly, the heart of the hydraulic system, responsible for generating the flow and pressure needed to operate various machine functions. It is engineered for high efficiency and durability, ensuring consistent hydraulic power delivery where a worn pump might result in reduced flow and increased cycle times. Operators may notice a significant loss of hydraulic power, slow implement speeds, or the system failing to build adequate pressure when this pump assembly is faulty.

Hydraulic Pump Assy – Part No sbs120 – 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 Pump Assembly
MaterialCast iron and steel components
ApplicationMain hydraulic system
Service LifeReplace as needed based on performance and inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first observable symptom of a failing hydraulic pump is a general sluggishness in all hydraulic functions and a noticeable decrease in lifting or digging power. If left unaddressed, the pump may fail to generate sufficient pressure, leading to intermittent or complete loss of hydraulic operation. This can result in significant downtime and potential damage to other hydraulic system components.

Installation Tip

Thoroughly clean the hydraulic reservoir and lines before installing the new pump to prevent contamination. Ensure the pump shaft is properly aligned with the drive coupling to avoid premature wear.

Service Note

Replace the hydraulic filter and inspect hydraulic fluid for contamination.