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Fordson Tractors Discussion Forum

1964 Fordson SMD Alternator

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dwol

09-22-2005 08:39:07

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Hi guys,
First off, thanks for the help on the battery and starter. I replaced all of the battery cables with 2 guage, and cleaned up where they connect, and it runs starts much better. I think I will eventually replace the starter and battery, but for now it is in good shape. Next, I need to replace my alternator. I will post a picture of the one that was connected (I am assuming it is an alternator, it was wired 12 volt negative ground). It was some kind of splap togther job, and who ever did it actually cut away part of the engine front piece (I will try to post another picture.)_
Any way can anyone recommed an alternator and kit or other to mount it to this old guy? I would rather learn from others than try to fab something my self.
Thanks for all the help!
Dave

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Bob M

09-26-2005 07:50:21

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Re: 1964 Fordson SMD Alternator in reply to dwol, 09-22-2005 08:39:07

Dave - You've got a first generation Chrysler alternator - often known as the Mopar "grounded field" alternator. They were found on every Chrysler/Dodge/Plymouth car from late 1959 thru about 1972.

It's every bit as bullet-proof as the Delco 10SI - though it does require an external regulator (about $15) to operate. I stuck one on my father in law's Farmall Super M for nearly 30 years ago - has never given a lick of trouble and is still going strong...

If you Fordson were mine, I'd stick that alternator back on. If the alternator is not working it's easy to rebuild (usually it's the brushes that fail - about $6 for a new set).

Or if the alternator has other issues rebuilt units are cheap and readily available. Can either get an identical unit (ask for one for 60's era Dodge/Plymouth). Or you can buy a second generation, "ungrounded field" unit (70's Plymouth/Dodge). Then simply externally ground one of the two brush terminals when wiring it up.

Good luck!

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matt in pa

09-23-2005 04:38:30

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Re: 1964 Fordson SMD Alternator in reply to dwol, 09-22-2005 08:39:07

Dwol,
That is a fine looking machine! Where are you located? I have not seen an alternator like that in the states, but then again I am no expert.
When I converted my Major, I used a Delco 10SI alternator. They are very common and inexpensive (Chevy and GM put them on everything for about 30 years, it seems). If I remember correctly, the alternator from a late 70's/early 80's chevy truck bolted right up on the Fordson's bottom bracket, and the top bracket was replaced with a bracket with a different bend. Took a little tinkering, but it fit without cutting anything.
I would go to a scrap yard and find a used alternator for mock-up. Cost you a couple bucks, but then you can mess around with it for a while to get it exactly like you want it. Then you take the junk alternator and give it to Autozone for a core to save money on a rebuilt unit.

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dwol

09-23-2005 06:52:42

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Re: 1964 Fordson SMD Alternator in reply to matt in pa, 09-23-2005 04:38:30

Hi Matt,
I am in Wilton, CA. I guess there are a bunch of these old fordsons arround. My neighbor sold me this one, and his neighbor also has one. Anyway, Thanks for the ideas, I just happend to have a 1970 chevy (sitting behind the tractor on the left) I'll pull the alternator and see how it fits. I like the idea of the 10SI, I think thats what I have on the 8n. Its the easiest to wire, but I'm most concerened with the mounting.
Thanks for the reply.

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matt in pa

09-23-2005 09:22:53

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Re: 1964 Fordson SMD Alternator in reply to dwol, 09-23-2005 06:52:42

Well, you aren't nearly as far away as I thought! You are a lucky man to have a "bunch" of old fordsons sitting around your area. I never understood why so many Fordsons seem to be located out west, unless they were shipped from Australia. It would seem that the east coast would have plenty of them also, as we are a lot closer to England and Ireland. Who knows.
In my limited experience, the 10SI has a couple different mount locations and dimensions, but they are closer enough for this type of application. I have been happy with all the conversions I have done in the past, but right now I have an 8n giving me fits! Just refuses to charge the battery. Hopefully you will have much better luck!

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dwol

09-23-2005 10:58:27

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Re: 1964 Fordson SMD Alternator in reply to matt in pa, 09-23-2005 09:22:53

Matt,
Its a Small world. I don't know how these fordsons got out here either, but it is amazing how many still run and are working tractors. I talked to genesee products and they are sending a bunch of stuff including the 10s1 that will probably get me going. (By the way they helped quite a bit when I converted my 8n (front mount dist) to solid state). You might consider it for your N, I love it, No more points!
Dave

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dwol

09-22-2005 09:01:16

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Re: 1964 Fordson SMD Alternator in reply to dwol, 09-22-2005 08:39:07

New battery connections.

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dwol

09-22-2005 08:40:56

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Re: 1964 Fordson SMD Alternator in reply to dwol, 09-22-2005 08:39:07

This is the monster. (the hood is on the ground behind the tractor)

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dwol

09-22-2005 08:39:57

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Re: 1964 Fordson SMD Alternator in reply to dwol, 09-22-2005 08:39:07

This is where the thing was:

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