The first DCT to succeed in manufacturing was the Easidrive automatic transmission introduced about the 1961 Hillman Minx mid-measurement auto. This was accompanied by different japanese European tractors with the seventies (utilizing guide Procedure by means of a single clutch pedal), then the Porsche 962 C racing vehicle in 1985. https://dallaslrsst.total-blog.com/details-fiction-and-gearbox-auto-59377616