Quote:
Originally Posted by Mr. 5
There are more wear properties in the turbo diesel 5w40 (which I'm using) than the 0w40. This is one of the reasons why I went with the oil.
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Mobil_1_ESP_Formula_5W-30 meets BMW's LL-04 spec (used in the 335d) and is a higher spec oil for diesel (MB, VW) than your 5w-40 for heavy equipment. So why not use this instead of the 5w-40 for heavy equipment?
I'm thinking your 5w-40 might be too heavy (Rumors have always been that the LL01 0w-40 actually performs more like a 30w oil so it's not a valid comparison).
Time for a visit to bobstheoilguy.com.