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Old 10-09-2019, 12:54 AM   #6
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ksanders's Avatar
Country: USA
Vessel Name: LISAS WAY
Vessel Model: BAYLINER 4788
Join Date: Feb 2011
Posts: 4,528
My Cummins 6B engines have OEM a 8D starting battery for each engine.
The 8D battery has approx 1400 CCA rating (interstate batteries)

My Cummins 6 cyl diesel powered pickup has two group 65 batteries which have 750CCA each as a OEM installation.

My thought is that two different manufacturers opinions of the battery recommendation for a Cummins B series 6 cylinder engine result in 1400-1500 CCA.

I think Iíll stick with their recommendatons.
Kevin Sanders
Bayliner 4788
Seward, Alaska
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