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The Background, Development, and Introduction of a Genuine Heavy Duty Diesel Engine Oil
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Abstract
This paper reviews some of the background which demonstrated that there were significant variations in the performance of commercial CD engine oils in highway truck and other heavy duty applications by the mid - 1970's. The paper reports that by 1979 service experience also showed that engine miles to overhaul were significantly improved when SAE 15W-40 oils were used in place of the earlier typical SAE 30 products. By 1983 it had been established that there was a 2 to 1 variation in miles to overhaul between the poor and the best 15W-40 oils.
This service background was the stimulus for the development of a proprietary heavy duty diesel engine oil intended to provide customers with a product incorporating the best available engine oil technology. The initial objective was to maximize engine durability.
The development of the Cummins Branded Oil was based directly on field tests of commercial and experimental engine oils in some 200 trucks which operated for more than 40,000,000 miles in internal engine company and cooperative field tests with oil and additive companies over a period of 3 to 5 years. Related commercial prototype oils also ran for similar periods of time in larger numbers of trucks.
Life-cycle cost studies confirmed a marketing strategy which resulted in customers accepting the use of highest quality oils despite their higher selling prices. The use of these highest quality oils was to be a key factor in reducing total truck operating costs.
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Authors
Citation
Carver, D. and Bennett, P., "The Background, Development, and Introduction of a Genuine Heavy Duty Diesel Engine Oil," SAE Technical Paper 941937, 1994, https://doi.org/10.4271/941937.Also In
References
- “Technical Overview of Oil Consumption” Cummins Bulletin No. 3379214-00 August 1980
- Bennett, P.A. “Heavy Duty Diesel Engine Oils” ASLE Engine Lubrication Seminar Alberta Section November 1986
- “Lubricating Oils for Cummins Engines” Cummins Service Bulletin No. 3379002-04 March 1980
- Hercamp, R.D. “Premature Loss of Oil Consumption Control in a Heavy Duty Diesel Engine,” SAE Paper 831720
- Bennett, P.A. “Engine Oils and Engine Durability,” SAE Paper 690767
- Bennett, P.A. “Heavy Duty Diesel Engine Fuels and Lubricants,” API Midyear Refining Meeting New Orleans May 1985
- Carver, D.P. “Lubrication and Today's Diesel Engines” Commercial Motor Workshop Conference Telford, England September 1988
- Hazlitt, H. “Economics In One Lesson” Arlington House Publishers 1979
- Selby, Theodore W. Bennett, P.A. Selby, Rebecca T. “The Development of an International Database of Engine Oils for Comparison of Physical and Chemical Properties” SAE 932851
- May, D.F. Bennett, P.A. “Some Applications of the Institute of Materials North American Engine Oil Database” SAE 932850
- “Engine Oil Viscosity Classification” SAE J300 Feb 92
- Hoefflin, C.W. “Evolution of the NT-855 Engine,” SAE Paper 800922
- Scholtz, R.L.
- Schetelich, A.A. “The Effect of Lubricating Oil Parameters on PC-1 Type Heavy Duty Performance” SAE 831722
- McGeehan, J.A. McNary, J.C. Kahn, M.J. “Performance of 1.0% and 1.45% ash - SAE 15W-40 oil in On-Highway Trucks with Cummins, Caterpillar, and Mack Engines” SAE 880260
- Aggarwal, R.K. Passut, C.A. “Lubricant Performance in Extended Diesel Engine Field Tests” SAE 892049