Mobil Super 3000 X1 Formula FE 5W-30 is a high performance motor oil designed for use in gasoline and diesel engines that are specifically designed to use a low viscosity (HTHS) motor oil. It also meets the requirements of the new Ford WSS-M2C913-C specification. Mobil Super 3000 X1 Formula FE 5W-30 can be used in a variety of gasoline and diesel automobiles, light trucks and vans designed for use of a low viscosity (HTHS) motor oil. Mobil Super 3000 X1 Formula FE 5W-30 is intended primarily to meet the requirements of Ford WSS-M2C913-C but is also suitable for use in other vehicles where the viscosity and quality claims are appropriate. Ford have announced that WSS-M2C913-C is fully backward compatible and is strongly recommended for all applications that currently require the specification WSS-M2C913-B.