These utilised synchronizers to match gear speeds, permitting for smoother shifts and much easier driving. The mid-20th century noticed the introduction of automatic transmissions.  In a very gearbox, the principle shaft would be the output shaft. This shaft is held in front of the clutch shaft or motor output shaft, https://automobilegearbox52838.boyblogguide.com/33155550/the-best-side-of-automobile-gearbox