The 1st DCT to achieve manufacturing was the Easidrive automatic transmission released over the 1961 Hillman Minx mid-measurement car. This was accompanied by different jap European tractors from the seventies (working with handbook operation by using an individual clutch pedal), then the Porsche 962 C racing motor vehicle in 1985. https://louiszeebx.blogthisbiz.com/40984740/5-tips-about-gearbox-auto-you-can-use-today