Quote:
Originally Posted by North Baltic sea
You could intensify to cover up the heating Cummins flees even if a blanket, so it is isolated from heat go sea birds.
15W40 oil is ok -10 -15 ° C and the lowest pumpability is -25 ° C and it is time for the syrup and hardly not the best lubrication.
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You are correct. Cummins says that 15w40 is OK down to -15 C (5 F). It is extremely rare to get those types of temperature where I live and never at the water since Puget Sound acts as huge heat sink.
Again, I don't operate in truly frigid conditions.