CATHydraulic Parts

1317191 Cylinder Gp- Hydraulic — Cat 120H 120H ES

This hydraulic cylinder assembly is a core component of the machine's hydraulic system, providing the linear force needed for various functions. It is manufactured to meet stringent OEM quality standards, ensuring reliable operation and extended service life compared to worn units. Operators may experience a loss of lifting capacity, slow or uncontrolled cylinder movement, or leaks from the cylinder when this component is failing.

Cylinder Gp- Hydraulic – Part No 1317191 – 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 TypeCylinder Group - Hydraulic
MaterialSteel alloy with hardened rod
ApplicationHydraulic actuation system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a failing hydraulic cylinder may include slow operation, slight leakage, or a tendency to drift under load. If ignored, the cylinder may lose significant lifting capacity, become erratic, or fail to hold position. Continued operation risks uncontrolled movement of the machine's components, impacting safety and productivity.

Installation Tip

Ensure the cylinder rod is clean and free of debris before retracting it into the barrel during installation. Avoid side-loading the cylinder during operation, as this can damage the seals and piston.

Service Note

Inspect hydraulic lines, fittings, and the hydraulic fluid for contamination when replacing the hydraulic cylinder assembly.