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Carlton "J2" 3/8 Chain Drive Links Too Close?

Gvsu141

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Any ideas what this Carlton J2 chain would be? I can't seem to find any info about it. Went to throw on some old chain to cut some rotten logs, and it wouldn't fit on the 3/8 bar tip sprocket. Seems to fit the drive OK.

It measures as 3/8, but see the pic compared to a standard Stihl 3/8 chain. Carlton is the bottom chain. After about 20 lengths, it's around a half length different.

Not too worried as I have plenty of chains, but more just curious. Since it seems to fit the sprocket, maybe it would work for a hardnose bar?

upload_2021-9-21_21-31-47.png

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Wonkydonkey

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Yeh, seems odd that chain.

I d doubt it will be any good on a hard nose bar, it gonna knacker the drive sprocket
 

Kiwioilboiler

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Looks like J2 is a Sabre marking for a 3/8" chain. J2-L7110-AS. Didn't turn anything else up sorry.
 
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ray benson

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Any ideas what this Carlton J2 chain would be? I can't seem to find any info about it. Went to throw on some old chain to cut some rotten logs, and it wouldn't fit on the 3/8 bar tip sprocket. Seems to fit the drive OK.

It measures as 3/8, but see the pic compared to a standard Stihl 3/8 chain. Carlton is the bottom chain. After about 20 lengths, it's around a half length different.

Not too worried as I have plenty of chains, but more just curious. Since it seems to fit the sprocket, maybe it would work for a hardnose bar?

View attachment 309717

View attachment 309716

View attachment 309718

J2 Carlton chain -.354 pitch

chain cross reference.jpg
 

heimannm

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Yes, I have J1 (.050) and J2 (.058) on hand as well as McCulloch and Sabre in .354" pitch. Many of the 10 Series saws were supplied originally with .354 chain and many people tried to run 3/8 chain on the .354 sprockets and vice versa.

There were .354 rim type drive sprockets and Windsor style replaceable nose sprocket nose sprockets in .354 as well as .354 spur drums. The .354 chain was a nice try to keep customers coming to you for chain and accessories and the design of the chain/cutter proportions was a bit like .325 ahead of its time.

As noted, there were several companies offering the .354 chain; McCulloch, Sabre, and Carlton...possibly others as well.

If you think .354 was a little off the wall, what about Sabre .315?

Mark
 

blades

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Deer and Homelite saws were another that used odd pitch chain.
 

Wilhelm

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I have an oddball pitch loop that found its way to me from the US, it doesn't fit a 3/8" sprocket.
Gonna see if I have any pictures of it.

Funny how old discontinued stuff like this keeps floating around and popping up from time to time. :)
 

Wilhelm

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MCPro

On quality Oregon 3/8" sprocket, no fitment, DL's are too close
IMG_20220811_111213~2.jpg IMG_20220811_111230~2.jpg

On quality Oregon .325" sprocket, fits surprisingly well due to the tiny DL profile
IMG_20220811_111336~2.jpg

Not .325"
IMG_20220811_111556~2.jpg

Nor quite 3/8" (.375")
IMG_20220811_111619~2.jpg

This chain is as new, its cutters show no dulling/damage, the DL's show a tiny bit of runtime.
Curious oddball chain that travelled to me over the big pond pretending to be a 84DL 3/8" loop and giving me fits trying to mount it on my saw! :D
 

Wilhelm

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Cool!

If someone wants this chain I have, for a vintage saw or display purposes, please let me know.

Obviously I will not throw it out, but I can not use it on my saws either.
 
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