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rotorwrench · 11-28-2018, 07:29 PM

The trucks are pee burners now days with selective catalytic reduction. The phosphoric content (ZDDP) isn't all that good for them either. Diesel truck engine oil is rated differently but it also has differences in the other additives that don't match up to gasoline engine auto motor oil quite the same. It will work OK but it's not the same as auto type motor oils.

11-28-2018, 07:29 PM	#42
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,436	Re: Rotella Oil Question The trucks are pee burners now days with selective catalytic reduction. The phosphoric content (ZDDP) isn't all that good for them either. Diesel truck engine oil is rated differently but it also has differences in the other additives that don't match up to gasoline engine auto motor oil quite the same. It will work OK but it's not the same as auto type motor oils.