[AT] Problem with the Case 430CK generator

[David Steinich]

Mike,
Allis Chalmers and Massey Ferguson both used GM alternators (externally
regulated) with the tachometer drive. The caveat is that they did not use
the same gearing. You would need to find the correct set for your tractor.
I don't know if the gears from yours could be used on the GM one.
Dave
On Apr 20, 2012 12:19 PM, "Mike Sloane" <mikesloane at verizon.net> wrote:

> The Prestolite 12 volt generator on the Case 430CK (gas) tractor stopped
> making electricity, so I took it down to the local auto electric place.
> He told me today (and showed me) that the field coils are open, and he
> is unable to locate replacements.
>
> Normally I would say "the heck with the generator" and install a
> rebuilt/junkyard GM one-wire alternator. There are two problems with
> that approach: 1. the mechanical tachometer is driven from a gearbox on
> the back of the generator, and 2. Case used an oddball mounting for the
> generator that will make mounting an alternator a little tricky. (The
> cast generator bracket bolts to the top of the hydraulic pump body!) The
> guy at the shop *thought* that he remembered that GM made an alternator
> with a tach drive on the back, but he called around and couldn't find
> one. I can live without the mechanical tach, if that is the only
> alternative.
>
> So my question is: does anybody have any suggestions? A Google search
> turned up nothing useful, and the tractor is needed for moving some
> large hunks of tree that I had cut down last week.
> <http://public.fotki.com/mikesloane/ole-maple-tree-down/>
>
> Thanks,
>
> Mike
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