Sunlube Diesel Engine Oil 10W-30 is a premium heavy-duty diesel engine oil developed for high-output naturally aspirated, turbocharged, and supercharged diesel engines operating under severe conditions. Formulated with high-quality base oils and advanced chemical additives, it ensures outstanding piston cleanliness, wear control, and oxidation stability. It provides superior soot handling, prevents sludge formation, and supports extended drain intervals, making it ideal for both diesel and gasoline engines in mixed fleet operations.