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Toyota's New Six-Speed Automatic Transmission AB60E for RWD Vehicles
Technical Paper
2007-01-1098
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Toyota Motor Corporation has developed a new six-speed automatic transmission AB60E for longitudinal front engine rear wheel drive (RWD) vehicles. This transmission development was aimed at an improvement of power performance and fuel economy, while achieving a lightweight, compact package and a high torque capacity. In order to achieve this target, a high-capacity ultra-flat torque converter, a highly-rigid transmission case, and an ATF warmer with a valve to switch ATF circuits to an air-cooled ATF cooler have been newly developed. Moreover, a new transmission mode control logic “TOW / HAUL” has been developed to improve power performance and driveability during trailer towing. This automatic transmission has adopted the same gear train and hydraulic control system as the conventional six-speed automatic transmission A760E. This paper describes the structure, major features and performance of the transmission in detail.
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Citation
Watanabe, M., Sasaki, K., Miyamoto, K., Kinoshita, M. et al., "Toyota's New Six-Speed Automatic Transmission AB60E for RWD Vehicles," SAE Technical Paper 2007-01-1098, 2007, https://doi.org/10.4271/2007-01-1098.Also In
References
- Kusamoto D. Yasuda Y. Watanabe K. Kimura H. Hoshino A. “Toyota's New Six-Speed Automatic Transaxle U660E for FWD Vehicles” SAE Paper 2006-01-0847
- Nozaki Y. Tanaka Y. Tomomatsu H. Tsukamoto H. Hanji F. “Toyota New Six-Speed Automatic Transmission A761E for RWD Vehicles” SAE Paper SAE Paper 2004-01-0650
- Nozaki K. Kashihara Y. Takahashi N. Hoshino A. Mori A. Tsukamoto H. “Toyota's New Five-Speed Automatic Transmission A750E/A750F for RWD Vehicles” SAE Paper 2003-01-0595