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Superior Engine Oils for Mixed-Fleet Service
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English
Abstract
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.
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Topic
Citation
Sarkis, A., "Superior Engine Oils for Mixed-Fleet Service," SAE Technical Paper 690349, 1969, https://doi.org/10.4271/690349.Also In
Engineering Know-How in Engine Design Part 17-Anti-Emission Carburetors, Hydraulic Valve Lifters, V-8 Engine, Nonmetallic Gaskets, and Engine Oils
Number: SP-0347; Published: 1974-11-01
Number: SP-0347; Published: 1974-11-01
References
- Neely G. L. “Recent Developments in Diesel Lubricating Oils.” SAE Transactions 34 1939 485 500
- “Engineering Specifications and Statistical Issue.” March 1968
- “1967 Lubricating Oil Survey.” Enjay Chemical Co New York October 1968
- Miller J. A. Parker C. K. “New Developments in Multigrade Crankcase Motor Oils.” Paper 160 presented at SAE National West Coast Meeting, Seattle August 1957
- Hall C. A. McReynolds L. A. Potter R. I. “Varnish and Sludge Studies in Stop-and-Go Traffic Operation.” Paper 1-B presented at SAE Annual Meeting, Detroit January 1958
- Christiansen F. A. Chingan W. W. Hartmann L. M. “Engines Like Ashless Detergents.” Paper 544A presented at SAE Summer Meeting June 1962
- Ghannam F. E. Potter R. I. “Long Life Lube Oils Show Anti-Corrosion Bonus.” Paper 891B presented at SAE National West Coast Meeting August 1964
- McReynolds L. A. Mitacek W. “Effect of Motor Oil Composition on Engine Performance.” Paper 544C presented at SAE Summer Meeting June 1962
- Christiansen F. A. Brown P. I. “Military and Manufacturer Specification Oils - Their Evaluation and Significance.” Paper 573B presented at SAE National Farm, Construction and Industrial Machinery Meeting September 1962
- Miller D. F. “Engine Oils for the 70’s.” NPRA Meeting, New York September 1968