The 1st automatic transmission to make use of a torque converter (as an alternative to a fluid coupling) was the Buick Dynaflow, which was launched for the 1948 product calendar year. In ordinary driving, the Dynaflow employed only the major equipment, depending on the torque multiplication with the torque convertor https://gearbox-auto29741.slypage.com/34361766/the-ultimate-guide-to-gearbox-auto