Rotella 5079768 Rotella T Synthetic SAE 5W-40 Engine Oil - 1 Quart Bottle Heavy duty engine oil Provides outstanding wear protection Withstands extreme heat conditions Ensures improved fuel economy Proprietary Shell formula meets advanced OEM specifications including: API CJ-4. Caterpillar ECF-2 and ECF-3; Cummins CES 20081;DDC 93K218; Mack EO-O; Premium Plus 2007; MB Approval 228.31; Volvo VDS-4. Also meets API SM for gasoline engines