Recently switched my 4040 over to a single Group 31 1000 CCA stud type battery, went to short 2/0 ring end cables and installed a disconnect switch. Gave cost breakdown vs. replacing with original batteries and new factory cables. Savings was significant, got rid of specialized expensive cables and got away from cables under cab. Very happy with it so far will see how it performs in colder weather starting. Previous thread with pics. http://talk.newagtalk.com/forums/thread-view.asp?tid=655904
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