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Discussion Forum

8 volt battery

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03-11-2003 12:13:17

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Has anyone heard of an 8 volt battery replacing a 6 volt for easier starting?

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03-12-2003 05:46:50

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
A 8v came with my 4000, the old owner said it turns over faster, so thats why he did it, plus he works for the town HYW Dept so I'm guessin he has acess to 8v battiers maybe? Well my uncle has a 8n w/6v and it sure didnt sound and turn over faster to us when we compared them side by side. As for charging it I have a 6-12v charger with a manuel setting so I have to "over charge it" at the 6v setting. Theres alot of pros and cons in here about it. I dont think I'd put another 8v in it when this battery dies.

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03-12-2003 04:35:51

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
Hey ET,

You've gotten some real good conflicting advice, in over 40 years as a mechanic I can say I've never seen a 6 volt system that was hard to start if it was tuned properly (part of tuning properly is adjusting the carb) with clean solid battery connections. That's not to say it never happens, I just never found one, if you keep everything up to specs you'll find you'll like your tractor a lot more. And have a lot less trouble starting it.

Good luck.


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03-11-2003 20:06:38

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
2N been running on 8 volt for 25+ year, just changed 9N over, 1950 International truck ran for many years on 8 volt, no modifications to any and don't let anyone tell you that you have to change light bulbs and they are hard to get, all bulbs say right on them for 6 or 8 volt, no regulators adjusted, no resisters changed

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03-11-2003 19:18:46

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
Yeah i've seen many people use the 8v and not have problems i have 2 tractors running 8v and the fire dept antique fire truck we use 8v without problem's.They all charge fine so if you neeed the help starting go for it

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ken Young

03-11-2003 18:34:54

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
I agree with Timk. I have tried 8 volt with
no success. The work great for the first few
cranks and then seem to die. I had the generator
checked out and it was charging ok. I had no way
to charge an 8v soon I took it back to the store and got a good heavy duty 6v made sure all connections were tight and clean and no problems since. I'd stay with a 6v

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03-11-2003 16:23:07

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
My dad ran one for years in his Funk V8. Turned up the regulator and had no problems in the WI winters. My four cylinders all have 6 volt. Clean and tight, they're alright.

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Tractor Dan

03-11-2003 15:27:11

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
yes i have replaced my 6 volt battery in my H with an 8 volt the only problem is got to get heavier light bulbs to hold up opps found out the hard way but helped alot the genarator produced enough power to charge the 8 volt

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03-11-2003 14:33:02

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 Re: 8 volt battery in reply to ET, 03-11-2003 12:13:17  
Don't do it. 8 volt batteries are just temporary cover ups for other electrical problem. Plus, while you may be able to crank up your regulator enough to charge it some, that will always be an issue, and there are no 8v. battery chargers that I know of. Also, you will need some sort of special resister to bring down the voltage to the coil so you don't fry it. A good 6v with clean connections and good system will do ok. If you must change over, then go the route and cnvert to 12v. There are lots of those kits on the market. My $.02

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