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Technical Paper

Development of New 6 Speed Automatic Transmission for Trucks and Buses

2004-03-08
2004-01-0653
The trend of improving fuel efficiency is fast becoming an unavoidable and important challenge with the growing worldwide interest in environmental consciousness and energy efficiency. In the truck and bus market, a strong demand emerged for a next generation of high performance automatic transmissions that is capable of realizing more fuel efficiency while meeting the performance and durability requirements. With this growing demand, Aisin Seiki Co., Ltd. developed a next generation 6 speed automatic transmission suitable for truck and bus markets. This transmission is equipped with new gear train and torque converter as successor to its conventional 4 speed RWD automatic transmission model. In this manuscript, we introduce our new 6 speed automatic transmission.
Technical Paper

Development of New Aisin Transmission for Medium Duty Truck and Bus

1994-11-01
942283
AISIN SEIKI CO., Ltd. Started the production of electronically controlled hydraulic automatic transmissions for medium-duty trucks and buses in 1989. The number of vehicles on the Japanese market in which this system is adopted is increasing steadily. After re-examining market needs, AISIN SEIKI CO., Ltd. has newly developed an electronically controlled hydraulic automatic transmission A580 which focuses on improved input capacity, driving performance and fuel economy for medium-duty trucks and buses and lessens learnt from experience.
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