CATHydraulic Parts

1D4615 Cap Screw — Cat 320C 320D

This is a Caterpillar Cap Screw, a high-strength fastener used to secure various components within the hydraulic system and other machine assemblies. It is manufactured from hardened steel to withstand significant tensile and shear loads, ensuring a reliable connection where a worn or broken screw can lead to component loosening. Operators may notice vibrations, unusual noises, or a component shifting out of place if a critical cap screw fails.

Cap Screw – Part No 1D4615 – 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 TypeHigh-Tensile Cap Screw
MaterialHardened steel alloy
ApplicationComponent fastening
Service LifeReplace if removed or damaged
Compatibility320C, 320D, 323D, 325D, 329E
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing cap screw might initially manifest as increased noise or vibration from the secured component due to slight loosening. If the screw continues to fail or break, the component may shift or become detached, leading to operational instability and potential damage. The risk is the failure of the secured assembly, causing unexpected downtime and possible collateral damage.

Installation Tip

Always use a thread-locking compound if specified for the application to prevent loosening due to vibration. Ensure the threads in the mating hole are clean and undamaged before inserting the screw.

Service Note

Inspect all fasteners in the assembly for signs of wear, corrosion, or damage, and replace any that appear compromised.