... Fully Synthetic Lubricant & Disel Engine Oilquality level: API CJ-4, API SL viscosity level: 15W40 10W30 20W50 Product ... longer than normal. This product meets the standard API CJ-4/SL.Product CharacteristicSuitable for all commercial vehicles, transporting ... than two times than normal.Product SpecificationOil quality level: API CJ-4, API SLviscosity level: 15W40 10W30 20W50 Product ApplicationSuitable ...