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Toyota's New Six-Speed Automatic Transmission AB60E for RWD Vehicles
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 16, 2007 by SAE International in United States
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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.
CitationWatanabe, 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.
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