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Farmall & IHC Tractors Discussion Board

Re: My Observation on 6 to 12 Volt Conversions - Rather L...


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Posted by jdemaris on December 17, 2010 at 12:49:27 from (67.142.130.17):

In Reply to: My Observation on 6 to 12 Volt Conversions - Rather Long.. posted by farmallhal on December 17, 2010 at 09:47:12:

I don't care one way or another what somebody else does to their tractor, but . . .

What your brother-in-law, et. al. did to a tractor has nothing to do with general reality.

You state . .
"I have formed the opinion that these 6 volt tractors are best left as 6 volt and keep the system working as it was designed too."

With that reasoning, you are also saying that old tractors cannot be upgraded sucessfully? If that IS your opinion, I see it as a result of faulty reasoning.

12 volt "alterators" are far more effcient then brush-driven "generators." Much more efficient and durable. Much more power per rev, weight, etc. A brush-driven generator basically wastes half the power it makes due to the lack of recifiers and using brushes to carry all the charge current. In addition, modern 12 volt components are cheaper to buy and repair.

Like I said, I don't care one way or the other. But, facts are facts. Alternators with internal fully-electronic regulators are a huge advancement from brushed-generators . . period.
12 volt igntion systems provide more potential spark energy then 6 volt systems or magnetos.

The wiring is so simple on these older tractors, the only people having trouble installing/retrofitting 12 volt alternator and ignition systems - are those that lack knowledge and expertise. That's not meant as an insult, just a matter of fact. Different people have different skills.

What is it that you think makes a old tractor better with 6 volts only, yet modern cars, trucks and tractors use 12 volts?

The reality is, components for old 6 volt systems have gotten very expensive, unless you buy aftermarket or used parts - many of which are nowhere near the quality of the originals. Go price an OEM Delco regulator and it's apt to cost near $100.

Anything can be a pleasure to work on if you know how to do it and good parts can be bought at at a reasonable price. I find working on old equipment much more frustrating, mainly because of the poor qualily of many of the newer replacement parts.


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