Shell 550045144 Rotella T4 Triple Protection Motor Oil, 1 GallonHighlights: Size : Gallon Diesel engine Heavy Duty Multigrade Uses advanced additive technology to protect under the most severe engine conditions found in modem, Iow emission engines Recommended by a wide range of OEMs, suitable for both the latest low emissions and older model equipment Low ash formulation helps protect the exhaust catalysts and particulate filters Suitable for use in agricultural, mining, logging, and construction applications,