Dyna Supreme API CI4 / SL, SAE 15W40 is an extra high performance semi synthetic, API registered diesel engine oil that provides excellent lubrication of today’s diesel engines promoting extended engine life. This extra high performance has been proven in the field in a wide variety of industries, applications, and mixed fleets.
Dyna Supreme API CI4/ SL is formulated from high performance base oils and a superior balanced additive system to provide optimum engine performance in modern diesel and gasoline engines as well as older models.