CATHydraulic Parts

1U4086 Cylinder As — Cat D6H

This is a cylinder assembly, a fundamental component of the hydraulic system responsible for converting hydraulic pressure into linear mechanical force. Constructed from hardened steel and precision-fitted seals, it ensures smooth and powerful actuation, unlike a worn cylinder that may exhibit leaks or binding. Operators will notice a loss of lifting or pushing force, slow or jerky cylinder movement, and potential hydraulic fluid leaks around the cylinder rod when this part fails.

Cylinder As – Part No 1U4086 – 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 Cylinder Assembly
MaterialSteel Alloy, Rubber Seals
ApplicationHydraulic Actuation System
Service LifeReplace based on performance diagnostics
CompatibilityCTP Aftermarket Replacement
ConditionNew — CTP Aftermarket

Failure Symptoms

A gradual reduction in the cylinder's lifting or pushing force, or a noticeable shuddering or slow response during operation, are common initial signs of wear. If ignored, the cylinder may develop internal or external leaks, leading to a complete loss of hydraulic power and inability to perform its intended function. This can result in operational downtime and potential damage to connected components.

Installation Tip

Ensure the cylinder rod and bore are clean and lightly lubricated with hydraulic fluid before assembly to prevent damage to seals. Avoid over-tightening the hydraulic fittings, as this can crack the ports or damage the threads.

Service Note

Inspect hydraulic hoses, fittings, and the hydraulic fluid for contamination or signs of wear when replacing the cylinder assembly.