Best Engine Oil for Cummins OR Detroit Diesel Freightliner Truck

Best Engine Oil for Cummins OR Detroit Diesel Freightliner Truck

What is the best engine oil for the Cummins or Detroit Diesel Freightliner Truck?   14 gallons is a lot of oil, get your money’s worth by making it last as long as possible, JEEZUS!  PLUS, Get the best engine oil so the engine lasts as long as possible!  The Cummins or Detroit Diesel Freightliner Truck…