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The New Navistar T 444E Direct-injection Turbocharged Diesel Engine
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Abstract
A new 7.3 liter direct-injection turbocharged V-8 diesel engine, T 444E, has been designed by Navistar for use in class 2 through class 8 trucks and buses. The engine incorporates many advanced technology features including Hydraulically actuated, Electronically controlled Unit Injectors (HEUI), and a hydraulically actuated, electronically controlled exhaust backpressure device to provide fast warm-up in cold weather.
The direct-injection combustion system and the inherent flexibility of the electronic control system combine to make it possible to meet stringent emission goals while simultaneously satisfying customer demand for improved economy and performance.
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Hower, M., Mueller, R., Oehlerking, D., and Zielke, M., "The New Navistar T 444E Direct-injection Turbocharged Diesel Engine," SAE Technical Paper 930269, 1993, https://doi.org/10.4271/930269.Also In
References
- Yan J. Rogalla R. Kramer T. “Diesel Combustion and Transient Emissions Optimization Using Taguchi Methods” SAE Paper No. 930600 1993
- Glassey S. F. Stockner A. R. Flinn M. A. “HEUI -- A New Direction for Diesel Engine Fuel Systems” SAE Paper No. 930270 1993
- Stockner A. R. Flinn M. A. Camplin F. A. “The Integration of Design, Simulation, Test, and Manufacturability in the Development of the HEUI Fuel System” SAE Paper No. 930271 1993