Quote:
Originally Posted by Oldwolf
Could also use Rotella T5 10W30 or 10W40 in the winter, at least my old manual says so.
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I sure wish the array of oils listed in that pic were still available for a diesel!
5w50? never heard of it.
5w30 in a diesel rated oil? not in a long time.
I'm sure the T5 would be fine in 10w40 weight, but I'd not try the 10w30 unless it's REALLY cold! and then only for minimal driving.