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Six-speed Automatic Transmission in the Opel Astra and for the Global Market

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General Motors Powertrain has developed a new six-speed FWD family of automatic transmissions for compact and midsize vehicles. These are also used for the European market, as they are put into the new Opel Astra since October 2009. Due to its compact shape, high quality and good value-for-money level, this transmission can be integrated in all vehicle platforms and is thus suitable for global markets. As compared to the four- and five-speed transmissions which it replaces, the new six-speed transmission excels by its improved fuel economy as well as its improved performance.

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    Bednarek, G.; Lux, J.: General Motors’ New Global Front Wheel Drive Automatic Transmission. Lecture, 7th International CTI Symposium and Transmission, Berlin, 2008

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    Kirchner, E.: Leistungsübertragung in Fahrzeuggetrieben. Springer-Verlag, Berlin, Heidelberg, 2007

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Correspondence to Dipl.-Ing. Georg Bednarek.

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Bednarek, G., Alt, M. & Geratz, K. Six-speed Automatic Transmission in the Opel Astra and for the Global Market. ATZ Autotechnol 9, 38–45 (2009). https://doi.org/10.1007/BF03247147

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  • Automatic Transmission
  • Torque Converter
  • Ratio Spread
  • Improve Fuel Economy
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