SK ZIC X5000 15W-40 is a high quality, heavy-duty diesel and gasoline engine oil that is engineered to provide outstanding protection to engines for on and off-highway applications. ZIC X5000 is recommended for use in heavy-duty applications and operating environments found in trucking, construction and agricultural industries. ZIC X5000 is recommended for heavy-duty diesel engines including turbocharged common rail direct injection (CRDI) engines. It also provides excellent protection for gasoline engines. RECOMMENDATIONS: recommended for Diesel and Gasoline engines. General characteristics - Outstanding wear protection - Excellent protection against corrosion, deposits and soot - Longer drain interval