CATEngine Parts

087-5805 Bucket Linkage Pin — Cat 3046 3056

This Bucket Linkage Pin is a critical pivot component that connects the excavator bucket to the machine's arm or linkage system, allowing for smooth and controlled articulation. Manufactured to meet robust OEM quality standards, it provides high shear strength and wear resistance, unlike worn pins that develop excessive play. Operators may notice increased play or looseness in the bucket linkage, noisy operation, or difficulty in precise bucket positioning when this pin is worn or damaged.

Bucket Linkage Pin – Part No 087-5805 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeBucket Linkage Pin
MaterialHardened Steel
ApplicationExcavator bucket linkage
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a worn bucket linkage pin is often increased looseness or 'slop' in the bucket's movement, which can manifest as jerky operation. If left unaddressed, the excessive play can accelerate wear on adjacent components like bushings and linkage ears, leading to noisy operation and reduced digging precision. Continued operation with a severely worn pin risks catastrophic failure of the linkage, potentially causing damage to the machine or surrounding structures.

Installation Tip

Thoroughly clean the pin bores and surrounding linkage components before installing the new pin. Ensure the pin is fully seated and secured with its retaining mechanism.

Service Note

Inspect the bucket bushings and the linkage ears for signs of wear or damage when replacing the bucket linkage pin.