Most transmissions in modern-day cars and trucks use synchromesh to synchronise the speeds of the input and output shafts. However, just before the nineteen fifties, most automobiles used non-synchronous transmissions. The Canine clutch slides on the leading shaft to rotate with it. Each of the gears about the countershaft https://gearbox42974.blogrelation.com/40013976/the-2-minute-rule-for-gearbox