Gulf Super Duty 15W40 Drum, 55 Gal.

Gulf Synthetic Super Duty Plus Diesel Engine Oil, SAE 5W-40. Full synthetic, heavy duty engine oil formulated to meet or exceed the requirements of most major manufacturers of diesel engines. Formulated with synthetic base fluids that provide extra thermal stability, oxidation resistance, shear stability, high-VI and excellent low-temperature fluidity. Meets certain requirements of Detroit Diesel, Cummins, Mack, Caterpillar and Allison. Meets the requirements of API CK-4/SN. Enhanced fuel economy can be expected when using Gulf Synthetic Super Duty Plus engine oil because of its enhanced fluid friction properties and lowered operating temperatures. Provides for superior cold starting and faster startup lubrication compared to conventional 15W-40 engine oils. Gulf Synthetic Super Duty Plus SAE 5W-40 is recommended for modern turbo-charged, low emission diesel engines used in on- and off-highway equipment. Suitable for new and older diesel powered vehicles from Class 8 tractors / trailers to heavy utility and delivery fleets.