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F5Pro's avatar
F5Pro
Explorer
Feb 28, 2020

Motorcraft 10W30, 5W40, Rotella or Mobil 1 for 6.7

Just curious about what oil to put into my Powerstroke. Book calls for 5W40 (full synthetic) for towing 1000 miles. Local Ford dealer uses 10W30 as standard oil change oil. There are other diesel oi...
Tow Vehicles
lenr's avatar
lenr
Explorer III
Mar 05, 2020
Didn't see it mentioned above-->> My 2012 says 10W-30 is not approved for BioDiesel from B6 - B20. That may have changed in recent years. But, 5W-40 full synthetic solves all the problems, so I just run that. Rotella now makes a T6 15W-40 oil, so don't confuse that with the 5W-40. Ford's spec is for 5W-40.

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