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6 volt battery's compared to 12 volt batteries

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greaseman

01-03-2002 10:01:40




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Why do 6 volt batteries go bad quicker than 12 volt batteries? I had a six volt in a Super C that barely lasted two years and I kept it well maintained (checked water dailey, cleaned with water and baking soda weekly) and it was shot within two years, where as I had a 12 volt in an old pick-up truck that lasted 5 years and replaced only because of winter's soon arrival.




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KLF

01-05-2002 16:11:36




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 Re: 6 volt battery's compared to 12 volt batteries in reply to greaseman, 01-03-2002 10:01:40  
Besides running the tractor a little more often, try buying an Interstate battery. Cars and trucks seem more forgiving about what brand of battery you use, but tractors are a little more demanding. When you get into commercial batteries, I find the Interstate batteries to be very dependable in tractors. Try an Interstate 6 volt next time, you should have better luck.



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Red Dave

01-03-2002 11:31:08




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 Re: 6 volt battery's compared to 12 volt batteries in reply to greaseman, 01-03-2002 10:01:40  
Generators don't usually charge at very high rates. TV's got a good point, it probably doesn't get run long enough to soak in a good charge. If it has an ajustable regulator, you could set it a little higher to compensate or just put a charger on it once and a while until it's fully charged. Letting a battery stay partially charged for long periods will shorten it's life.
I like to put the charger on mine once and a while to top them off. I don't bother much during the summer when they get run a lot, but over the winter I try to do it about every 4 or 5 weeks.
I have a 6 volt battery on a "B" that was installed in 1994 and it still starts OK even this time of year. I was going to replace it a couple of years ago, but I decided to wait and see how long it would last.
I know, one of these days it'll let me sit, but this has turned into something of an experiment.

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Bob M

01-03-2002 11:23:37




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 Re: 6 volt battery's compared to 12 volt batteries in reply to greaseman, 01-03-2002 10:01:40  
Like Tractor Vet suggests it's probably the application that cause new 6 volt batteries to fail after only a year or two. Most 6 volt tractor systems have only rudimentary voltage regulation - some have none at all. Batteries are thus often chronically undercharged, and on occasion may be OVER charged as well. Add vibration, infrequent use, general operator neglect, etc. and it's amazing some 6 volt batteries last as long as they do.

Properly charged and maintained, 6 volt batteries will last for many years. We've got a couple diesel-powered trucks equipped with batteries indentical to those used in the old Farmalls, except they use four of them wired in a series/parallel combination to provide 12 volts. Our experience has been these batteries are generally good for at least 5 or 6 years.

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Pawnee - TO Bob M.

01-04-2002 05:33:35




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 Re: Re: 6 volt battery's compared to 12 volt batteries in reply to Bob M, 01-03-2002 11:23:37  
Since you mentioned it, I have long been interested in putting a second battery in my truck where the altanator would charge it also. Basically, to use as a spare or for other uses such as trolling motors and such. Of course, I wouldn't want to wire it so I would have 24 volts. A old friend once had this in his company truck. Can it be done without an expensive isolator or other additional part? How would the wiring be done? Not a tractor question but could'nt hold back any longer. Thanks!

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the tractor vet

01-03-2002 10:25:18




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 Re: 6 volt battery's compared to 12 volt batteries in reply to greaseman, 01-03-2002 10:01:40  
More then likely it is because with the old charging systems that the battery does not get charged all the way up because you don't run the tractor long enough and when you are only putten out 6 to 10 amps charge it just gets a surface charge , On my S/h i have the reg .set up and it will charge up to 27 amps and even with the lites on i still get 10 amps charge and the battery has been in there for 5 years now and unless someone leaves the lites on or the ing. switch out it will alway start down to 30 below just don't ask it to start at 35 below it won't do it and besides it's to cold for me to be out there.

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