Most transmissions in present day autos use synchromesh to synchronise the speeds from the input and output shafts. Having said that, ahead of the nineteen fifties, most cars and trucks made use of non-synchronous transmissions. In basic conditions, two different gears are hooked up to input and output shafts https://gearbox20752.howeweb.com/34430509/not-known-factual-statements-about-gearbox