Most transmissions in modern-day cars and trucks use synchromesh to synchronise the speeds on the input and output shafts. On the other hand, ahead of the 1950s, most vehicles used non-synchronous transmissions. Once the equipment lever is moved, the synchromesh cone fulfills with the same cone to the pinion. https://gearbox66702.bloggactivo.com/33083522/an-unbiased-view-of-gearbox