The 1st automatic transmission to employ a torque converter (in place of a fluid coupling) was the Buick Dynaflow, which was launched for that 1948 product 12 months. In usual driving, the Dynaflow applied only the leading equipment, counting on the torque multiplication of the torque convertor at lower speeds. https://gearbox-auto64196.activoblog.com/36555339/top-latest-five-gearbox-auto-urban-news