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WEL(TN) 
Silver Level
Joined: 12 Sep 2009
Location: East Central IN
Points: 211
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 Topic: 6 to 12 volt Generator Conversion
Posted: 30 Jan 2020 at 5:18pm |
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If I convert a generator from 6 volt to 12 volt what amperage can I expect? Will it provide 30 amps (like the 6 volt) or 60 amps like an alternator. I want to keep a original look on my CA.
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Jim.ME
Orange Level
Joined: 19 Nov 2016
Location: Maine
Points: 958
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Posted: 30 Jan 2020 at 5:30pm |
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Send Steve at B&B an email or give him a call. He will have the answer on output, new regulator, cost range; and I expect he can do it for you as well.
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jaybmiller
Orange Level Access
Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 24334
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Posted: 30 Jan 2020 at 6:01pm |
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I'd say probably 30 amps +- as I have both 6 and 12V gennies from my D-14s sitting on the shelf. As Jim said Steve will KNOW !
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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JW in MO
Orange Level
Joined: 16 Feb 2010
Location: South KC Area
Points: 2641
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Posted: 30 Jan 2020 at 6:35pm |
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I converted mine with no issues, even use the same amp gauge on the tractor, so I don't think it will get close to 60amps. I hid my voltage regulator inside the tool box, just had to run and extra wire up to the generator.
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Maximum use of available resources!
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steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 85458
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Posted: 30 Jan 2020 at 6:52pm |
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YEP... a 6 volt generator will work with a 12 volt Regulator. Maybe not original design, but it works fine... a 6 v generator DISCONECTED from the battery will put out 15 volts, so the regulator can control it at 12..... and by the way, a 12 v generator can put out close to 30 volts when NOT CONNECTED to the battery.
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Like them all, but love the "B"s.
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steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 85458
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Posted: 30 Jan 2020 at 6:55pm |
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Now if you have an old, worn out 6v generator, that would not be one to push to the limit. Rewind or replace with 12 v might be better.....
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Like them all, but love the "B"s.
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JW in MO
Orange Level
Joined: 16 Feb 2010
Location: South KC Area
Points: 2641
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Posted: 30 Jan 2020 at 7:44pm |
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I wasn't clear, I removed the 6v field coils and replaced them with new 12v and installed new brushes. With a little help from Don Bradley, Don(MO), polarized it and all works like a charm. Now I did have to grind the shoes down a little to get the new field coils to fit but that was the only time consuming part.
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Maximum use of available resources!
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Gerald J.
Orange Level
Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636
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Posted: 31 Jan 2020 at 9:43am |
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With a constant 6 volts on the fields, turning the generator twice as fast will get 12 volts out at the same current rating as it has at 6 volts. Needs 7.1 volts for proper charging of the 6 volt battery and 14.2 volts for proper charging of the 12 volt battery. Whether applying 12 volts to the fields will get 14 volts out depends on the magnetic saturation of the field poles.
Gerald J.
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11925
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Posted: 31 Jan 2020 at 12:11pm |
I've converted a lot of our customer's 6V Gennies to 12V cuz they wanted to keep the OEM look. Usually runs around $350. That's gutting all the 6V components, replacing with new 12V components, (including new rewound armature) adding a new mated Voltage Regulator wired to the Gennie, and setting the unit up and ready to go. I usually set max output around 24-32 amps. If the Tractor has some special accessories connected to it (like a sprayer or somethin') that you may need a little more power to run, I can kick em' up to 34-40 amps if needed. Most of the time, I set em' up around 28-32 amps, which is plenty for most Tractors. HTH Steve@B&B bb-customcircuits.com
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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