One of many manual transmissions would be the Wilson pre-selector, introduced in 1930 used for a planetary gear method to preselect equipment ratios by operating a small lever over the steering part. In the majority of cars and trucks, There are 2 major different types of gearboxes: handbook and automatic. https://gearboxauto97418.theisblog.com/34006042/what-does-gearbox-auto-mean