SAM Diesel Engine Oil SAE 40 is a finest quality lubricant appropriate for mixed fleets use in naturally aspirated, turbo charged diesel engines. Ideal for trucks and off highways vehicles,including the modern high-performance diesel engines. Also, suitable diesel engines in low and high mileage. Applications: truck fleets, delivery vans, urban transport as well as construction and agricultural usage. The oils contain great antioxidant, anti-rust, anti-wear and anti-corrosion properties, meeting a wide range of API levels and SAE standards.