CATHydraulic Parts

1377855 Cylinder Gp-Tilt — Cat 938F 938G

This is a robust tilt cylinder group, a hydraulic actuator responsible for controlling the angle and position of the bucket or attachment. Engineered to withstand high pressures and demanding operational cycles, it ensures precise and reliable tilting functions, unlike a worn cylinder that may leak or drift. Operators might observe slow or jerky bucket movements, difficulty holding a position, or hydraulic fluid leaks around the cylinder when this component is failing.

Cylinder Gp-Tilt – Part No 1377855 – 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
ApplicationBucket Tilt Control
Service LifeReplace based on performance degradation or leaks
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing tilt cylinder is often a noticeable slowness or shuddering when tilting the bucket. If ignored, the cylinder may begin to lose pressure, causing the bucket to drift downwards or fail to hold its position under load. Continued operation with a leaking or weak cylinder risks uncontrolled bucket movement, potentially damaging the machine or causing injury.

Installation Tip

Before installing, ensure the cylinder rod is clean and free from any nicks or scratches that could damage the new seals. Avoid applying excessive force when connecting hydraulic lines, as this can damage fittings or the cylinder ports.

Service Note

Inspect hydraulic hoses, fittings, and the hydraulic fluid for contamination when replacing the tilt cylinder group.