CATHydraulic Parts

1291910 Cylinder As — Cat D7H D7R

This cylinder assembly is a core part of the machine's hydraulic actuation system, converting hydraulic pressure into linear mechanical force to move components like buckets, blades, or steering mechanisms. Manufactured to meet rigorous standards, it provides consistent and reliable performance, unlike a worn cylinder that may leak fluid or bind. Operators may notice slow or jerky movement of the attached implement, hydraulic fluid leaks around the cylinder, or a loss of lifting or pushing power when this assembly is compromised.

Cylinder As – Part No 1291910 – 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
MaterialHardened Steel, Cast Iron, Seals
ApplicationActuation System (e.g., Lift, Tilt, Steering)
Service LifeReplace based on wear and leakage assessment
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early indications of a failing cylinder assembly include gradual loss of hydraulic pressure, visible external fluid leaks from the seals, or a noticeable 'drift' in the position of the attached implement. If ignored, these issues will progress to more significant leaks, reduced lifting capacity, and potentially jerky or unpredictable movements, compromising operational safety and efficiency. Continued use risks hydraulic system contamination and potential damage to related components.

Installation Tip

Carefully inspect the cylinder rod for any scoring or damage before installation, as imperfections can quickly damage new seals. Ensure all hydraulic lines are properly connected and free of kinks before pressurizing the system.

Service Note

Inspect the hydraulic pump and control valve for proper operation and check the condition of the hydraulic fluid and filters.