[AJD] A1240 .090 Pistons

[greg at theoldtractorcompany.com]

.090 aluminum is always aftermarket. The largest Deere pistons I ever ran across, factory, were W power units that had .165 I think it was (?),odd. Anyone ever confirm .250 D pistons? I never found them in the books so not sure.

Enroute they are Chris
Swap the parts around, sounds like it will work out slick.

On a different note, fellow here wants to sell a running 1937 A (looks decent in pictures) and a stuck 1938 A for around $2000 the pair. Long way to travel though.

Greg

Greg Stephen
The Old Tractor Company
Stephen Equipment Company
Box 709
7460 E Hiway 86
Franktown, CO 80116
303-663-5246
303-468-0377 FAX<<--A GREAT WAY TO REACH ME!


------------------------------------------------
On Thu, 16 Dec 2004 17:49:31 -0800 (PST), Chris C <jdnutinwa at yahoo.com> wrote:

> 
> 
>     I was working on my 1945 and 1948 A's today. 
> Removing the heads,  blocks, pistons and rods.  The
> 1948 A was bought out of a local nickel paper this
> summer for $600 and the 45 came home with it for
> another $400.  The 1948 was loose, and the 45 stuck. 
> When I got it home the 48 ran with a magneto switch
> and water pipe repair,  however,  it put lots of water
> into the oil,  too bad,  it sounded really healthy. 
> Today I found out why.
> 
> 
>      I tore into the 48 first,  It took me about 2
> hours to get it torn down,  it sure looks like it was
> a fresh rebuild,  until someone let it freeze..   Both
> the head and block are broken.  The head has new
> valves in it and much to my suprise,  aluminum
> pistons,  and new connecting rods.  None of my parts
> books show 090 pistons,  I know there are plenty of
> them out there.  The number cast into the side of the
> piston is A1240.  and then the have the 090 stamped
> into the top of the piston.  Did Deere make these?  Or
> are they aftermarket?  I have a set of .045 cast iron
> pistons and a .045 block that I am going to put back
> into the 48,  but I'm thinking grandpa's A might have
> a use for them.  They are like new. 
> 
>        On the 45,  it was about 3 hours just to remove
> the block, rods and pistons.   I can't find a casting
> number for the pistons,  I have looked inside the
> skirt  and on the top of the piston,  where else did
> Deere hide the part numbers on these critters?
> 
>      All in all it was a good day of wrench turning of
> the old JD's.  I will go and install the new block the
> 48 tomorrow but my .045 rings aren't here yet so that
> may be as far as I get (hint hint hint hopefully you
> have already shipped them)
> 
>                           Chris
> 
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