[AT] More JD B transmission probems

[John Boehm]

Joe is certain it is a late Model B, even though the
tag is missing. The casting numbers on the case are
different on the B and the 50, so it is easy enough to
be sure of the model without the serial tag. 

Why does his Model B tractor have the shifting fork of
the Model 50 in it? One theory is that when the B2585R
shifting fork was previously replaced, the new Deere
parts available at the time were those for the Model
50. Apparently they fit and did the job, so that is
what was used. Joe has decided that since he has to
replace the fork anyway, he may as well put  original
B parts back in and I will be sending him a used and
original  fork that I have.

John Boehm
Woodland, CA
Visit my web site at http://vintagetractors.com


--- "Snelling, Wayne K"
<wsnelling at southplainscollege.edu> wrote:

> John: I think you know more about these ole JD's
> than I but, I have
> always believed that the casting code on the tranny
> can yield a good
> date. Not exact but close. Or have I just imagined
> that to be a casting
> code to have a date reference? It always seemed to
> coincide with the
> serial tag. I thought that the wrong fork was used
> when I read it had
> been replaced once before. I have several JD parts
> tractors but I do not
> think I have one (B) in the transition period from
> cast iron frame to
> pressed steel frame. And that seems to be what he
> has???
> 
> Wayne Snelling
> Assistant Professor
> Computer Information Systems
> South Plains College
> Lubbock, TX 
> 806-747-0576  ex 4692
> 806-292-8412 cell
>  
> 
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On
> Behalf Of John Boehm
> Sent: Tuesday, November 06, 2007 8:46 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] More JD B transmission probems
> 
> The fork that is broken in Joe's tractor was
> definitely not used in the Model B.  That said, I
> took
> another look at the parts catalog for the Model 50.
> The 1st-3rd--reverse shifter that is broken on Joe's
> tractor was used on the Model 50 from serial number
> 5031225 on up. Before that the earlier Model 50's
> used
> the B2585R shift fork, which was also used on the
> late
> Model B's. After further consideration, I think that
> the original shifter fork on Joe's tractor had been
> replaced at some point with the later Model 50
> shifter. I think that this broken shifter could (and
> should) be replaced with the B2585R shift fork that
> was most likely originally installed on this
> tractor.
> Joe was reasonably sure that he has a late Model B
> and
> not a Model 50 (it would be easy enough to be sure
> from various casting numbers), but his tractor is
> missing the serial tag, so an exact model year may
> not
> be able to be determined.
> 
> John Boehm
> Woodland, CA
> Visit my web site at http://vintagetractors.com
> 
> 
> --- "Snelling, Wayne K"
> <wsnelling at southplainscollege.edu> wrote:
> 
> > Joe: Did not see a response so, I'll offer this:
> Do
> > not see what difference it makes. Someone might
> have
> > broken it before and replaced it with what was on
> > hand at the dealer or parts pile. I  think that
> the
> > B and 50 actually shared the same parts (some) as
> > did the A and 60, and probably some G and 70's. 
> > Have you replaced the fork yet?
> >  
> > Wayne
> > 
> > ________________________________
> > 
> > From: at-bounces at lists.antique-tractor.com on
> behalf
> > of jahaze at aol.com
> > Sent: Mon 11/5/2007 4:26 PM
> > To: at at lists.antique-tractor.com
> > Subject: [AT] More JD B transmission probems
> > 
> > 
> > 
> > Thanks to John Boehm,
> > 
> > We have figured out that the broken fork I took
> out
> > of my late model B actually belongs?in a 50
> > transmission.? Does anyone know if it was common
> to
> > interchange parts like this?? If so, should I
> > replace it with the correct part, or use a 50 part
> > like what came out the first time?
> > 
> > Enjoy, Joe
> > 
> >
>
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