ADVANTAGE BRAND HEAVY DUTY DIESEL ENGINE OILS are formulated to meet or exceed the warranty requirements of most manufacturers of diesel and gasoline engines. Advantage 15W40 meets the performance requirements of diesel engine manufacturers such as Caterpillar, Cummins, Detroit Diesel, Ford, Mack, Navistar, and Volvo.  They can be used with complete success in over-the-road diesel trucks, off-highway diesel equipment, farm tractors, and passenger cars and light trucks with either diesel, turbo-charged diesel engines, or gasoline engines.