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Old 08-09-2016, 12:32 PM   #5
Ski in NC
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City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
The 3116 and 3126 are in one family, the 3176 and 3196 are in another. No common between the two families. 3126B is a computer engine, very different from the mechanical 3126 predecessor.

All the above engines have their quirks and weak spots, but in a trawler I would not be afraid of them at all. The only ones I have seen that had trouble were in boats where the engines were run HARD. Planing boats like sportfish, Grand Banks semi displacement trawlers with a heavy throttle hand, plowing away at 14kts. Those guys can kill these engines.

Run them modestly, take care of them, and you should get good service.

I also find them to be low smoke, efficient, and generally have good manners. I like their sound, too.
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