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Master Mariner
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Discussion Starter #1
I have 3 4d battery boxes, presently set up as two for house and one for engine start. I'd like to add the third 4d to the house bank and pick up a group 31 for engine start.
Has anyone used a group 31 successfully as an engine start bank for a Perkins 4.236 and an Onan 8 kw genset?
Thanks.
 

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Dirt Free
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2,654 Posts
I have 3 4d battery boxes, presently set up as two for house and one for engine start. I'd like to add the third 4d to the house bank and pick up a group 31 for engine start.
Has anyone used a group 31 successfully as an engine start bank for a Perkins 4.236 and an Onan 8 kw genset?
Thanks.
A G31 starting battery is lots for that engine.
Even a G27 will do it but i'd prefer the 31
 
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