This oil is exclusively endorsed and recommended by Cummins, Designed to provide performance and protection in modern, emissions treatment equipped diesel engines, It has a unique 10,000 mile drain extension in Cummins X15 engines enabling up to 60,000 miles when average fuel efficiency is 6.5 mpg or higher, Offers excellent resistance and TBN retention supports long oil life, A strong shear stability provides stay-in-grade performance.
