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8-volt electrical system??

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DanWV

11-05-2002 15:57:10




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I just got an 8N tractor and am new to all of this. Everything I've read about Ford 8N's says they either have 6-volt or 12-volt electrical systems. So why does my tractor have an 8-volt battery? Any help is appreciated




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DanWV

11-05-2002 20:34:16




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 Re: 8-volt electrical system?? in reply to DanWV, 11-05-2002 15:57:10  
Thanks for the info. I purchased some land and this tractor came with it. I have absolutely no idea how to use it. The closest I've been to a tractor is a riding lawn mower. I'm sure I'll be back with about a 1000 questions.



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PeteNy

11-05-2002 16:59:11




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 Re: 8-volt electrical system?? in reply to DanWV, 11-05-2002 15:57:10  
An 8v system can be useful in such tractors as Farmall Super M's when fresly rebuilt, the compression is a little much for the 6v system. It is not nearly as half a**ed as installing a 12v system on a 6v tractor, having brackets cobbed on, and alternators hanging out, but neither should be necessary on an N...a properly maintained 6v system will start an N anytime in any weather. A change in 8v is easy though, on our Super M we just sent the generator and regulator to the electrical shop and told them to adjust accordingly, dropped in an 8v battery, and reinstalled the gen. and regulator...no new bulbs, no starter damage, no switches sticking out of the dash to turn off the charging, no alternator... Pete

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MikeC

11-05-2002 16:32:21




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 Re: 8-volt electrical system?? in reply to DanWV, 11-05-2002 15:57:10  
An 8 volt battery can be put in a 6 volt system. Often it was done to get a little extra OOMPH out of the starter. However, I think that it simply is a mask for other issues since most N's will start at sub-zero temperatures just fine with a correctly operating 6 volt system. I'm sure I will be corrected if I am wrong, but I think that there are also some charging issues with the 6 volt system/8 volt battery setup.

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because.............bg

11-05-2002 16:30:27




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 Re: 8-volt electrical system?? in reply to DanWV, 11-05-2002 15:57:10  
... an 8-volt battery is someone's 1/2-a**ed of how to "fix" starting problems. The perception is that an 8 volt will turn the starter faster and make starting easier. BAD IDEA. Either correct the problems with the 6-volt(clean, tight, bright 1 or 2 gauge cables, etc) or do a correct 12-volt conversion(there are several methods and/or kits that may work).



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DavidO

11-06-2002 04:57:47




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 Re: Re: 8-volt electrical system?? in reply to because.............bg, 11-05-2002 16:30:27  
BG is right. There are a lot of good reasons why someone might change over to a 12V system. For one thing, an alternator, besides doing a much better job of maintaining your battery, is much cheaper to repair/replace/maintain. An alternator also provides a lot more charging current to operate extra lights, etc. I cannot think of any valid reason to put an 8V battery on a 6V electrical system. If the new engine is tight, jump start it until you get a few hours on it and it should loosen up. If not, there was a problem with the rebuild. BTW, your 6V lights are gonna burn a little brighter, but will burn out a lot sooner.

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