ed will

Well-known Member
Hi, I have a 3D battery in my cat bh 416. I think its on its last legs. I hear you guys talk about de sulphuring. (No clue what that is) maybe that would help. Another thought: should I get 2 say 675cca and hook them together to remain 12V.
They can't be too long or tall to put in battery box, or just get another 3 D. The 3D is heavy #@&?. Also pricey. Need info from you battery gurus. Ed Will Oliver BC
 
I'm not the "how to desulphur" guy but CCA are CCA and parallel circuits divide power robbing resistances in old batteries and cabling.

I had a JD 4230 with 2 6v batteries wired in series to provide 12v with one on one side of the tractor and the other on the other.

I replaced them with 2 12v batteries and wired them in parallel (++,--) with new 00 gauge rather than 0 gage cabling, with the hot and cold of the near side battery tied directly across the starter body and solenoid input stud with short cables.

I bought sealed, 12v 950CCA size 31 with ⅜" studs, OTR truck batteries. The truck stop bought them by the pallet so they got a super price and passed it on and had the cable material and made the new cables for me.

Difference was day and night.
 
I would try a maintainer with desulfation cycle, I have some I thought were done two years ago put them in the shop on maintainers and they are still going. Three in my Kenworth so heavy duty application. I
 

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