[AJD] 40 vs. 'M' Engine Block

[David Smith]

thanks for the info. Bus Driver.  I just borrowed my buddies '40' manual and in comparing it to my 'M' manual, you hit it right on.  There a few internal parts that are the same, but other than that crank, rods, and even the head have different numbers.
 
David

Bus Driver <mpmbd at yadtel.net> wrote:
All the M64 T blocks are identical. Parts catalogs show a successor number
which I assume is also interchangeable. But many internal parts are
different from the M and 40. A parts catalog for each tractor will be
invaluable in determining the parts that are different. In the absence of
that, just assume that the bare blocks are where identical ends.
----- Original Message ----- 
From: "David Smith" 
To: "Antique John Deere mailing list"

Sent: Thursday, June 02, 2005 8:34 PM
Subject: [AJD] 40 vs. 'M' Engine Block


>
> I am looking at buying a 40 Standard. The engine block has a crack in it.
Does anyone know the cast number of the block for a 40? My 'M' has 64T cast
on it. I know that both tractors have a 4" bore. Has anyone compared the
two engines? I have found a spare block for an 'M' locally.
>
> Thanks for any help.
>
> David
>
> NC
>
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