Engine serial #

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Buddy&jerry
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Engine serial #

Postby Buddy&jerry » Wed Feb 05, 2020 4:51 pm

After searching the forum and not finding a answer
My Engine serial # 60CT2U 292480X
What does the X mean

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Re: Engine serial #

Postby tst » Wed Feb 05, 2020 6:27 pm


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Re: Engine serial #

Postby Barnyard » Wed Feb 05, 2020 6:39 pm

Is this in a regular Cub?
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Buddy&jerry
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Re: Engine serial #

Postby Buddy&jerry » Wed Feb 05, 2020 9:00 pm

Yes sir 1973 serial # 241028
Block casting 5-8-W
Block # 251341 R8
I read somewhere that a V meant exhaust valve
Rotators does the X mean anything special

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Re: Engine serial #

Postby Jim Becker » Wed Feb 05, 2020 9:05 pm

I have never, that I recall, seen an "X" engine number suffix either in a list or on a tractor.
Edit: It is usual at this point to suggest taking a closer look at your code. A "V" was fairly common on later engines.

Buddy&jerry
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Re: Engine serial #

Postby Buddy&jerry » Wed Feb 05, 2020 9:45 pm

If it was v would that mean it had exhaust valve rotators

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Re: Engine serial #

Postby Jim Becker » Wed Feb 05, 2020 10:01 pm

Yes.

Buddy&jerry
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Re: Engine serial #

Postby Buddy&jerry » Fri Feb 07, 2020 5:16 pm

Picture of V or ? Not the best picture
7B92C284-10F9-4E96-9CC9-6D772695AF18.jpeg

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Re: Engine serial #

Postby Glen » Fri Feb 07, 2020 7:00 pm

Hi,
Below is a page from the Cub parts manual, TC-37F, it says the manual was made in 1975, with info about the tractor serial numbers, and engine serial numbers. It doesn't show an X in the engine serial number. :)

http://farmallcub.com/rudi_cub/www.clea ... e%2008.jpg

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Re: Engine serial #

Postby staninlowerAL » Sat Feb 22, 2020 7:55 pm

Bringing back this topic: Examining the engine SN on my 154 LoBoy shows it to be 60CT2U 285311X. Tractor SN indicates a 1972. Still wondering what the X indicates. Thanks, Stan
EDIT: I found this comment by Raymond Durban from Feb 21, 2015 about the X at the end of the engine serial number.
viewtopic.php?f=1&t=87482&p=696670&hilit=loboy+154+engine+serial+number#p696741
EDIT 2: Raymond's database of the number series tractors shows several engine SN's after 1971/72 ending in X (no explanation of what the letter means).
One explanation of the original question in this post by Buddy&jerry is that the engine came from a Number Series Loboy, probably early/mid 70's model.

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Re: Engine serial #

Postby Buddy&jerry » Fri Mar 06, 2020 10:38 am

Received a PM about engine # I took
Pipes off for a better picture
Just wanted to know more about my cub
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Re: Engine serial #

Postby Jim Becker » Fri Mar 06, 2020 1:10 pm

I still can't find any documentation for the "X". I did look over the Cub serial number database and found a couple observations. Somewhere in '70 to '72 the engine numbers started getting the "60CT2U" prefix. From that point on, about half the numbered Lo-Boy engine numbers reporded have the "X" suffix. No "X"s are shown in the Standard Cub list. This hints that it was a Lo-Boy only marking and only was applied to roughly half of the last half of the numbered Lo-Boy production. That still doesn't tell us what it means, but helps explain why most of us haven't seen it.

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Re: Engine serial #

Postby Slim140 » Fri Mar 06, 2020 1:29 pm

I just looked at my 1975 and it to has an X
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Re: Engine serial #

Postby Jim Becker » Fri Mar 06, 2020 2:39 pm

So much for that theory.

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Re: Engine serial #

Postby Lt.Mike » Fri Mar 06, 2020 3:31 pm

I could look a the yellow cubs number and say it’s probably a “V” but on Shane’s it’s definitely and “X”.
Gonna have to crack the books.
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