Shell Rotella T4 Triple Protection 15W-40 Diesel Engine Oil provides significantly better wear protection than previous-generation oils to maximize engine efficiency and extend engine life in a wide range of heavy-duty engines. It uses advanced additive technology to protect under the harshest conditions found in modern low-emission engines and hard-working older diesel engines. Shell Rotella T4 15W-40 Engine Oil provides enhanced deposit protection to help keep engines cleaner during the oil drain interval. It effectively maintains emissions control compatibility with a unique low-ash formulation that helps protect exhaust catalysts and particulate filters found in the latest low-emission vehicles. In addition, it provides enhanced shear stability performance for viscosity control and optimal oil pressure in your engine. Shell Rotella T4 15W-40 has a proven legacy of performance and is suitable for a wide range of heavy-duty engine applications, including on-highway fleets, general transport, agriculture, mining, logging, construction, diesel pickup trucks, and vehicles requiring resistance to increased heat and stress. 15W-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown Provides significantly better wear protection than previous generation oils to maximize engine efficiency and extend engine life Formulated with advanced additive technology plus synthetic base oil for enhanced deposit control and superior engine cleanliness throughout the oil drain interval Improved shear stability for better viscosity control and optimal engine oil pressure Exceptional protection for heavy-duty diesel engines, including the latest emission-controlled engines utilizing EGR and containing a diesel particulate filter Suitable for use in agricultural, mining, logging and construction applications, as well as diesel pick-up trucks Meets or exceeds the following industry requirements: API CK-4, CJ-4, CI-4 Plus, CI-4, CH-4, SN; ACEA E11; JASO DH-2, MA, MA2 Meets or exceeds the following OEM specifications: Caterpillar ECF-2, ECF-3; Cummins CES 20086, 81; Detroit Fluids Specification (DFS) 93K222, 93K218; Deutz DOC III-10 LA; MACK EOS-4.5, EO-O Premium Plus; MAN M 3575; DTFR 15C100 (dam. MB 228.31); MTU Category 2.1; Allison TES-439; Volvo VDS-4.5, VDS-4; Ford WSS-M2C171-F1 For a full list of equipment approvals and recommendations, please consult your local Shell Technical Support Center and always refer to your owner's manual.