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JD A battery CCA question

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Bob

08-27-2002 05:35:52




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My '45 A with electric start (original 6V system) needs a battery. Any idea what the minimum CCA needed is? Any idea what the original equipment CCA was? Thanks.




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John T

08-27-2002 08:53:32




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 Re: JD A battery CCA question in reply to Bob, 08-27-2002 05:35:52  
Bob, in the old days when that tractor was manufactured, batteries were advertised with what their amp-hour rating was in lieu of the now heard cold crank rating. The amp-hour rating is more meaningful to me as an engineer, but like most things to sell something these days, new cooler sounding rating is used to hype a products saleability. Still, the bottom line answer to your question, if you want the old girl to start in extreme cold weather, is to put the BIGGEST rated cold crank rating battery you can find that will fit in the compartment. 6 volt systems can be tuff to crank over in the winter, so the more ampacity and highest rated amp-hour (now rated cca) battery you can get is what I reccomend. In most given physical sizes of group battery cases, you can still find light, medium and heavy rated amp hours or cca, so go with the biggest. Im my seminars, I reccomend 0 gauge battery cables for 12 volt systems and 00 for 6 volt systems. In 6 volt systems, the battery cable sizes and good tight proper grounds and connections are even more criticalm, because if youre only starting with 6, you cant afford much voltage drop across wimpy undersized cables or bad connections. In this case (especially a 6 volt system) bigger is indeed better. I plan to cover this topic in one of my upcoming Green Magazine articles in great detail. Good Luck Ol John T Nordhoff in Indiana

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