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Re: Factory 12v 4020 diesel?
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Posted by Gerald J. on January 12, 2007 at 09:07:40 from (67.0.102.180):
In Reply to: Factory 12v 4020 diesel? posted by Tx Jim on January 12, 2007 at 04:49:24:
I thought it (for SN before 203,000) but you are correct. The alternator option there is a 24 volt alternator. Last night I looked in the I&T manual and it had nothing on 24 volt diesels in the section on the side console tractor, just 12 volt starters and alternators. I'm sure the many older 4020 that have been converted to 12 volts adds confusion. If I had a 24 volt 4020, I don't know I'd spend the money to convert to 12, though since I don't run the tractor all day every time I start it, I'd want an alternator to charge those batteries in ten minutes instead the 6 to 8 hours that 10 Amp generator had to have taken. And if I couldn't make an alternator with a ground so it charged the batteries independently (and I think that would only take one added wire from the alternator insides), I'd seriously consider two independent alternators to do that. The small generator and the demand on keeping loads balanced to balance the battery chargeing were the achille's tendons of the 24 volt system. And those weaknesses lead to failures that confused many users and shops. But then I'm an electrical engineer who knew what the insides of a motor winding looking like before I learned the math of them in school. Gerald J.
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