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Old 12-18-2016, 04:22 PM   #15
MurrayM's Avatar
City: Kitimat, North Coast BC
Country: Canada
Vessel Name: Badger
Vessel Model: 30' Sundowner Tug
Join Date: Jul 2012
Posts: 4,855
Originally Posted by Bruce B View Post
Running any Diesel engine for long periods without "proper" load is bad for the engine, turbo or no turbo. We used to have to charge batteries on our sailboat (40 hp Yanmar) and I hated doing it! I finally found a way to install a proper 4 kW generator for charging and air conditioning duties...

By the way, the manual for our 40 hp naturally aspirated Yanmar used the same language about running at higher speeds after extended no load operation.
My answer was to run it hard when we were actually using it for propulsion.
We don't charge at idle either, or troll for salmon. Our electrical needs at anchor are small, and battery charging is much faster now while underway after getting a larger alternator and cables.

Engine is nowhere as squeaky clean as yours, but is running great.
"The most interesting path between two points is not a straight line" Murray Minchin
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