Lubriplate® super GPO 10W-30 motor oil is an engine oil developed for use in four-stroke cycle diesel engines designed to meet 2007 and later EPA on-highway exhaust emissions standards. It is specially formulated to protect exhaust after treatment devices such as diesel particulate filters (DPFs), diesel oxidation catalysts (DOCs) and selective catalytic reduction (SCR) systems. It is backward serviceable for use in pre-2007 diesel engines and may be used in mixed fleets with both diesel and gasoline-fueled vehicles. Lubriplate® Motor Oil, Heavy Duty, Series: GPO, 1 qt Container, Bottle Container, 80 cSt at 104 °F Viscosity, Liquid Form, Composition: Lubricating Oils, Hydrotreated Spent, Residual Oils, Hydrotreated, Phosphorodithioic Acid, Amber, Mineral Oil Odor/Scent, SAE 10W-30 Grade, 441 °F Flash Point, Flammability: 1, 0.88 Specific Gravity