Browse Publications Technical Papers 2002-01-2769
2002-10-21

Performance of a Synthetic Diesel Engine Oil 2002-01-2769

The impact of viscosity grade and base fluid composition on fuel economy and emission levels has been investigated. A synthetic 5W40 HDDO formulation exhibits promise to address these two needs. The fuel economy and the emission levels were measured at different temperatures in a vehicle dynamometer using Dodge pick-up trucks equipped with Cummins ISB engines. A significant improvement in the fuel economy along with improvements in emissions over a conventional 15W40 product was demonstrated. The oil was also shown to have good wear performance in a 5.9L B engine six cycle cam wear test. In addition, the oil meets all the requirements of the latest API CI-4 specification as well as all OEM specifications.

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