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Farmall & IHC Tractors Discussion Forum
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Re-Converting Alternator to Generator?

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David Kronwall

12-09-2005 03:53:45




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Before I bought it, my 1953 Stage 2 Super M was converted to a 12-volt system, with alternator, negative ground. I'm considering re-converting it back to using a generator, but keeping it a 12-volt system.
I have two questions. One, what are the pros and cons of doing this? And two, exactly what steps would need to be taken? I look forward to hearing what you fellas think. Thanks in advance.

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Bus Driver

12-09-2005 08:37:05




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 Re: Re-Converting Alternator to Generator? in reply to David Kronwall, 12-09-2005 03:53:45  
Many GM vehicles 1955 to 1962 used 12 volt generators. They were made by Delco, might be bit longer than the 6 volt used by Farmall. But that would be my choice for a 12 volt generator.



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CNKS

12-09-2005 08:13:00




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 Re: Re-Converting Alternator to Generator? in reply to David Kronwall, 12-09-2005 03:53:45  
On that particular tractor with, as Hugh says, the alternator hidden under the hood, I would leave it be. My M has an alternator, but if it had a generator, I would probably leave it alone, also, but I might convert the generator to 12 volts, as six volts is marginal for an M. On the other hand to purists, the A,B,C, etc likely don't look right with an alternator, regardless of the improved reliablility.

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pete7

12-09-2005 06:03:01




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 Re: Re-Converting Alternator to Generator? in reply to David Kronwall, 12-09-2005 03:53:45  
Hi David....I find alternators to be more reliable. Generators need a voltage regulator and the regulator uses points, not solid state type electronics. Points are just far less reliable than a modern electronic regulator that is built into the alt. I changed from a generator to a alt (on a Super A) and it was the best thing I did on that tractor. It's started perfect ever since but when it had the generator, I always had to hold my breath and hope (and I was often disappointed!). Pete

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Hugh MacKay

12-09-2005 05:12:20




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 Re: Re-Converting Alternator to Generator? in reply to David Kronwall, 12-09-2005 03:53:45  
David: The change over is going to cost you probably $200., plus it will be more expensive to maintain. These days, when an alternator goes, $50. will usually get you a new one with builtin regulator. Rebuilds on generators are usually $100.+ and that doesn't include the regulator.

You now have a superior charging system, puts out 3+ times the amps, much more reliable. On the M no one really knows unless they look under hood, thus in a parade situation looks very original.

I have a Super A, still 6 volt, however it is alternator charging. Before I changed, it was constant problems. That was 12 years ago and I'm just now needing a new battery. Why did the battery last 12 years, you may ask? Simply because it was always well charged.

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RustyFarmall

12-09-2005 05:29:36




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 Re: Re-Converting Alternator to Generator? in reply to Hugh MacKay, 12-09-2005 05:12:20  
Hugh, pretty much what I wa thinking, the tractor is already converted, if it were mine I would just leave well enough alone.



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