Core Gas Engine Oils

Core GEO is Itokoil's natural gas engine oil line, engineered for the stationary and mobile natural gas engines that power generation, compression, and clean-fuel transportation. The range includes Core GEO 717 in monograde SAE 30 and SAE 40 and multigrade SAE 15W-40 formulations for stationary natural gas engines used in power generation, cogeneration, gas pipeline compression, and landfill and biogas applications. Core GEO 700 (CNG/LNG) HD SAE 15W-40, certified to API CK-4 and SN, is engineered for heavy-duty compressed and liquefied natural gas vehicle fleets. Built with low-ash chemistry and oxidation resistance specifically tuned for natural gas combustion, Core GEO delivers the valve protection, deposit control, and extended drain performance that natural gas engines demand.