Stallion Super Diesel Plus multi-grade oil is the best universal heavy duty diesel engine oil. It is a premium performance product formulated for severe diesel and gasoline engine service applications. Such applications include engine on-highway, off-road, construction, farm and woodlands. In diesel applications, it is recommended for most naturally aspirated and high out-put turbocharged diesel engines including Mark, MB, VOLVO, MAN and designs with exhaust gas re-circulation (EGR). In gasoline service, it is recommended for engines requiring up to API SL specifications.