CATEngine Parts

1B8719 Woodruff Key — Cat 320C 320D

This is a precisely machined key used to transmit torque between rotating shafts and components, preventing slippage in applications like crankshafts or pulleys. Manufactured from hardened steel, it offers superior wear resistance and load-bearing capacity compared to a damaged or worn key. Operators might experience engine knocking sounds, vibration, or a sudden loss of power if this key fails or shears.

Woodruff Key – Part No 1B8719 – 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 TypeWoodruff Key
MaterialHardened steel
ApplicationShaft and component drive connection
Service LifeReplace as needed due to wear or damage
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing Woodruff key may initially cause slight rattling or knocking noises during engine operation or when load is applied. If the key begins to shear, the affected component will lose its positive drive, leading to a loss of power or erratic operation of the driven system. Complete failure of the key will result in the component spinning freely on the shaft, causing immediate cessation of function.

Installation Tip

Ensure the keyway on both the shaft and the mating component are clean and free of any burrs or debris before attempting installation. Do not hammer the key into place; it should slide in with moderate hand pressure.

Service Note

When replacing a Woodruff key, inspect the corresponding keyways for signs of wear or damage that could indicate improper fitment or excessive stress.