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Old May 21st, 2012, 08:03 AM   #1
tipster49424
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Default Old Hobart welder/gen

I just picked up a 50's? hobart welder generator. it's powered by a willys flathead engine. Does anyone know if these are 6v or 12v? It has a funky size battery tray. I can't find anything stamped or written anywhere. Can I hook up a 12v battery w/o problems or will it burn something up. Also it is missing the coil. What coil could I use on this? Any help would be appreciated.


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Old May 21st, 2012, 04:47 PM   #2
Yota Bill
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I would pull the starter off, and bench test it with a 12 volt battery. If it turns extremely fast, its a 6 volt. If you supply 12 volt to a 6 volt system, you are likely to fry that generator and regulator...by the way, you'll have to do some research on how to energize that charging system, short the field terminal to positive on the battery or something along those lines, I haven't touched one of those systems in a very long time.
As for the coil, that all depends on which system you have. If it is a 6 volt, it can be converted to 12 though.
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Old May 21st, 2012, 05:09 PM   #3
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I know the early fifties Lincoln sa 200's were six volt. Plenty of places out there offering conversion kits. You might wanna get a new PC board as well.
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Old May 21st, 2012, 10:14 PM   #4
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Pretty sure that is a 6 volt. That tray looks like it would hold the same 6 volt battery as early 50 fords.


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Old May 22nd, 2012, 11:03 PM   #5
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look at the starter it has the tag or look at generator on the motor.
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Old May 22nd, 2012, 11:13 PM   #6
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You may want to try millerwelds.com or even weldingweb.com
If you are going to ask questions post up the model and serial # of the unit. If those are not available put up some pics of the overall unit.
Good luck.

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http://www.millerwelds.com/resources...ng-Discussions
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Old May 24th, 2012, 09:32 PM   #7
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It is a 6 volt, thanks for the input. I can get a coil for 20 bucks, and a local auto electrical shop rents batterys. I'm going to rent one first to make sure the engine runs before I buy a battery.
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