[Farmall] O-12 parts

John Hall jthall at worldnet.att.net
Mon Nov 24 19:09:36 PST 2008


 Karl, there are some pretty good custom shops on your end of the country. I 
don't know how complicated the parts you need are but it is quite possible 
to machine them from a solid chunk of alum. Someone who specializes in 
custom parts--especially for hot rod shops etc. can be pretty quick at that 
sort of thing. The trick is finidng the right shop and needing enough parts 
to spread the cost. Try the archives for prints--probably a lot cheaper and 
faster than reverse engineering with a CMM. If work is as scarce there as it 
is here, you may be in luck finding a shop needing "busy" work.

John Hall

----- Original Message ----- 
From: <olmstead at ridgenet.net>
To: "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>
Sent: Monday, November 24, 2008 9:03 PM
Subject: [Farmall] O-12 parts


> Can anyone recommend a good place to have some castings made?  All this
> talk about O-12s has resulted in another inquiry regarding O-12 parts, one
> that I've been asked before... where to get the air cleaner casting (and
> other special parts) for an O-12.
>
> I'm short two or three of these items already, and half the ones I do have
> are welded up, so it seems to me that now might be a good time to have
> some new ones made up.  I can come up with a good casting to use as a
> pattern, although I understand that the original needs to be built up with
> Bondo in order to compensate for the shrinkage during casting.  I could
> probably handle the machine work (mostly cleanup work on the lathe).
>
> It'd be nice to talk with an outfit that one of you has had dealings with
> before instead of just picking a name off the internet.
>
> I can think of at least two parts that I know people need; 3344 DA and
> 3097 DA.  3344 is the air cleaner top casting for 'regular' -12 series
> tractors.  It is a lot different from the F-12 casting.
>
> 3097 is the cast iron 'basket' that supports the front end of the engine.
> In my experience, at least 80% of them are damaged, on the F-12.  Haven't
> dismantled enough O-12s to have a feel for their condition.
>
> Any recommendations?
>
> I almost hate to mention it, but how offensive would it be to have the air
> cleaner castings made of aluminum?  I suspect that it might be cheaper to
> have aluminum castings made than iron.  And what are the odds of finding
> an American foundry?  I don't want to have the castings made in China.
>
> -Karl
>
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