The first DCT to achieve output was the Easidrive automatic transmission released over the 1961 Hillman Minx mid-dimension car or truck. This was followed by numerous eastern European tractors from the seventies (using handbook operation via only one clutch pedal), then the Porsche 962 C racing motor vehicle in 1985. https://gearbox-auto18630.bloggerbags.com/39086142/about-gearbox-auto