1969-02-01

Superior Engine Oils for Mixed-Fleet Service 690349

This paper describes a new approach to the development of a superior engine oil specifically designed to give outstanding performance in mixed-fleets powered by today’s modern diesel and gasoline engines, under a wide variety of applications and service conditions. This unique design was achieved by a 10-point program, which started with a study of critical equipment requirements and oil performances in the field and duplicated them in the laboratory to screen experimental formulations. The paper outlines the additive building blocks and their functions, as well as the specification engine tests which were utilized to screen candidate formulations. It then goes on to describe the extensive controlled and documentation field tests utilized to verify that the selected candidate does indeed meet the stringent targets outlined at the initiation of the development program. The oil successfully meets the requirements of the most severe diesel engines in today’s fleet market and exceeds MIL-L-2104B specifications as well as the car manufacturers’ highest 1969 MS performance in gasoline engines.

SAE MOBILUS

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