Valvoline 773780 Premium Blue Diesel Engine Oil, 15W40, 3x1 Gal

This 15W40 oil comes in 3 one gallon jugs Tested extensively by Cummins in various engine applications Has a strong shear stability that provides stay-in-grade performance Includes superior deposit protection compared to industry requirements Features excellent resistance and TBN retention supports long oil lifeYou may also like Valvoline 679083 Synthetic 10w30 1qt - 6.