Ms-12991 rotella t6 593805
FCA said that Rotella T6 does not meet the minimum MS specifications Ram 1500 EcoDiesel/Crew Cab/4x4/392 gears/Longhorn/33 gallon OE tank/40 gallon inbed tank/ (10,000 miles odometer as of 8/23/21) Shell Rotella T6 142 mm²/sEneos 1467 mm²/sValvoline Synpower 131 mm²/s i don't know what the fiat oil spec is for the multiair but the chrysler spec is ms or ms106 but amsoil is saying ms supersedes ms106 and the 4th edition manual for the dart is now saying ms in the fluids pagewhich was the requirement I used Shell Rotella T6 5W40 in my high mileage cars, including my two Concordes It's also a synthetic that is not MS6395 certified, but is respected and approved for use in diesel trucks and gas cars The Motul does meet Chrysler MS Not sure what the difference is Might be worth some reading on that Ms-12991 rotella t6