Description Mobil Delvac 1300 Super 10W30 is an ultra high performance engine lubricant designed to meet the lubrication demands of modern low emission gasoline and diesel engines. This lubricant will help extend engine life in hard working diesel engines used in both on highway and off highway applications. Mobil Delvac 1300 Super has undergone extensive testing with major OEMâs, and has met and exceeded the toughest of industry testing. The outstanding performance characteristics of this lubricant are: Excellent resistance to wear/corrosion, superior pump-ability for reduced wear providing immediate oil pressure in cold start-up conditions, and superior viscosity control to reduce soot thickening and viscosity loss due to shearing in high loads. Mobil Delvac 1300 Super 10W30 provides high detergency properties to control deposits and sludge in high temperature/low emission engines enabling long-drain service intervals. This product is an excellent choice for mixed gasoline and diesel fleets enabling a single product to meet demands of API SM for gasoline engines as well as diesel engine fleets requiring API CJ4 specifications.