LOCOMOTIVE POWER OW-16 is a fully synthetic ultra low viscosity multi-grade engine oil formulated for use in passenger cars specifying the use of oil meeting API SP, ILSAC GF-6B requirements. These oils are engineered to provide the highest levels of engine protection available. These premium engine oils contain synthetic base oils and a technologically advanced additive system which provides improved oxidation resistance, improved deposit protection, better wear protection, excellent low temperature performance and enhanced fuel economy.