[Farmall] Fwd: [SEL] OT IH M tractor question for a friend

Tue Apr 26 09:59:26 PDT 2011

Dave,
I'm away from my parts books at the moment, but the answer depends on the year of the donor tractor. There was a change (in I believe 1951) that widened out the bolt spacing in the front cover for the distributor drive and added a beefier version of the cam gear in anticipation of the live pump. If the spare motor is before that serial number break you have to pull the crank pulley and transfer the front cover and beefier cam gear from the original Super M motor in order to use the live pump. I think he could tell by simply measuring the spacing between the top two bolts on his hyd pump (to the engine front cover) and compare to the top two bolts in the distributor drive on the replacement motor. Don't quote me on this but guessing about 1/2" difference in the two measurements? Some have gotten away with leaving the original cam gear, but you run the risk of stripping it if you ever build up too much pressure.
HTH,
Stan(VA).

--- On Tue, 4/26/11, Dave Merchant <kosh at ncweb.com> wrote:

> From: Dave Merchant <kosh at ncweb.com>
> Subject: [Farmall] Fwd: [SEL] OT IH M tractor question for a friend
> To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
> Cc: "farmall at lists.antique-tractor.com" <farmall at lists.antique-tractor.com>
> Date: Tuesday, April 26, 2011, 12:18 PM
> Forwarded from the SEL list,
> forwarded from a car forum......
> 
> Dave Merchant
> 
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> >I got this from our car forum, a friend is asking......
> any M and Super M
> >experts here??
> >
> >Hey Guys, I hauled a '53 Farmall Super M home last
> weekend. It has been
> >sitting unused for about 30 years and the engine, of
> course, is seized. I
> >have found a running engine but it is from a regular M
> tractor. I've
> >searched online and I'm fairly certain the engines are
> the same. The only
> >exception is, the Super M has a live hydraulic pump in
> with the
> >distributor drive and the regular M does not. A regular
> M has the
> >hydrualic pump mounted under the belly of the tractor
> back on the
> >transmission. I'm wondering if the live hydraulic pump
> from the Super M
> >can be mounted on the distributor drive section of the
> regular M engine?
> >I'm hoping there is a Farmall M expert here that can
> help me out. The
> >engine I'm looking to buy is super cheap for a running
> tractor engine and
> >if it will work on my Super M like normal I want to buy
> it as quickly as
> >possible before someone else does. Knowing if the
> hydraulic pump will bolt
> >to the M engine is the only thing keeping me from
> buying it.
> >
> >_______________________________________________
> >SEL mailing list
> >SEL at lists.stationary-engine.com
> >http://www.stationary-engine.com/mailman/listinfo/sel
> 
> Dave Merchant
> kosh at nesys.com
> dmerchant at layerzero.com
> 
> http://www.nesys.com
> http://www.nesys.org
> YouTube: SteamCrane
> 
> "I've just completed Mike's Nature trick of adding in the
> real temps
> to each series for the last 20 years (ie from 1981
> onwards)
> and from 1961 for Keith's to hide the decline."
>          - Prof. Phil Jones
>          - Director, Climatic
> Research Unit
>          - School of
> Environmental Sciences
>          - University of East
> Anglia
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>          - To: Michael Mann,
> Raymond Bradley, Malcolm Hughes
> 
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