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Clutch ID

Posted: Tue Dec 30, 2025 12:01 pm
by Bob Alexander
I found this clutch a while back, does anyone recognize it? It looks like a Mac taper inside.

Re: Clutch ID

Posted: Wed Dec 31, 2025 7:23 am
by REAR
Possible McCulloch saw with chain sprocket added to drum,

R.E.A.R.

Re: Clutch ID

Posted: Thu Jan 01, 2026 11:36 am
by Mark Loraine
The hub is a mercury with fiber-ed shoes. Robs call on the drum is most likely.

Re: Clutch ID

Posted: Thu Jan 01, 2026 2:45 pm
by Bob Alexander
Welded on sprocket is likely, that would explain the threaded set screw holes in the side.

Re: Clutch ID

Posted: Thu Jan 08, 2026 6:32 am
by Rob Voska
3 1/2" were popular drum sizes. Many innerchanged. mark is Right Mercury Hillclimber clutch hub.
Great for a Clinton, 580 WB etc......