Delvac MX 15W-40 API CI-4 80 years of Heavy Duty Performance Mobil Delvac MX 15W-40 is formulated to deliver superior performance and longer engine life. It provides outstanding performance in modern high performance American, European and Japanese commercial vehicle diesel and gasoline engines including turbocharged and inter-cooled units. Also suitable for modern engines utilizing exhaust gas recirculation (EGR). Ideal for agricultural equipment and heavy-duty off highway use. Proven benefits of this high technology oil are: Exceptionally clean engines Consistently smooth operation Excellent protection in heavy stop/go traffic Excellent oil consumption and wear control Ideal for mixed fleet applications Meets or exceeds the requirements of API CI-4/CH-4/SL/SJ, ACEA E7, JASO DH-1, Cummins CES 20078/77/76, Renault Trucks RLD and Cat ECF-2. MB-Approval 228.3. Approved Volvo VDS-3/VDS-2, MAN M 3275-1 and Mack EO-M Plus. Recommended by ExxonMob