ShellRotellaTriple Protection is suitable for a wide range of heavy duty engine applications.Rotella T4 with Triple Protection technology, features an improved formulation designed to meet the new API CJ-4 service category for heavy-duty diesel engine oils. Provides significantly lower wear, exceptional deposit control and engine cleanliness for both pre-2007 engines and the latest performance and emissions systems technology found on new engines.Key FeaturesOffers improved resistance to oil breakdown under high temperaturesDesigned to effectively sustain emissions control system durability where diesel particulate filters and after-treatment systems are usedOffersenhanced protection against viscosity loss due to shearLow-ash formulation helps protect the exhaust catalysts and diesel particulate filtersResists oxidation up to 50% longer than the previous generation of Shell Rotella TMeets API CJ-4 service category for heavy-duty diesel engine oils