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Development of a New Multigrade Engine Oil for Improved Wear Resistance in Heavy Vehicle Diesel Engines-PART II: Development of a 10W-30 Oil for Diesel Engine Use
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Abstract
The purpose of the investigation presented here was to develop a high quality SAE 10W-30 engine lubricating oil to meet the heavy duty operating conditions of trucks. The operation of their engines is predicted to become more severe in future because of the trend toward higher power output, nore severe regulation of exhaust emissions and noise as well as the increasing demand for better fuel economy. To meet these demands, an improvement of the wear resistance of engine lubricating oil was considered to be the most important aspect for the development of high performance diesel engines in the future.
The engine test developed was able to evaluate various experimental oils by observing wear resistance of the valve train which is considered to be one of the most severe tri-bological conditions. The best oils were determined by optimum selection of the amount and type of detergent, ashless dispersant and zinc dithiophosphate. The contributions made by these additives to the surface properties of diesel soot, etc. are discussed in this paper.
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Citation
Kikuchi, K., Shigemori, M., Ichinose, K., Suzuki, S. et al., "Development of a New Multigrade Engine Oil for Improved Wear Resistance in Heavy Vehicle Diesel Engines-PART II: Development of a 10W-30 Oil for Diesel Engine Use," SAE Technical Paper 852135, 1985, https://doi.org/10.4271/852135.Also In
References
- Suzuki T. Joko I. Kakegawa T. “Development of Hino Turbocharged Diesel Engines,” SAE Paper 840015 1984
- MOTOR VEHICLE “Research of Vehicle Engine Oils in the Japanese Field” 29 9 79 89 1979 33 12 97 98 1983
- Suzuki T. Sato A. Suenaga K. “Depelopment of a Higher Boost Turbocharged Diesel Engine for Better Fuel Economy in heavy Vehicles,” SAE Paper 830379 1983