676135 Key-Woodruff Fits Caterpillar Models
676135 Key-Woodruff Fits Caterpillar Models
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One New Aftermarket Replacement Crankshaft Key-Woodruff for Caterpillar Equipment
This aftermarket replacement Woodruff key (Cat part number 067-6135 / 676135) is a crankshaft key used to secure the crankshaft to the flywheel or harmonic balancer, ensuring efficient power transfer and precise rotational alignment. It is also commonly found in transmission, axle, and engine assemblies on Caterpillar (Cat) equipment, including forklifts. The Woodruff key seats in a semi-circular keyway on the shaft and locks the mating component against rotation.
Specifications
- Key Type: #11 SAE Woodruff
- Profile: Semi-circular / crescent-shaped
Compatible Models
Caterpillar (Cat): BG655D and additional Caterpillar equipment -- verify your part number 067-6135 or 0676135 against your machine's parts manual to confirm fitment
Replaces Part Number(s):
676135, 0676135, 067-6135
Aftermarket Interchange Numbers
KMP Brand 067-6135, Blumaq 067-6135
New aftermarket replacement part - not remanufactured, not used.



