These used synchronizers to match gear speeds, letting for smoother shifts and much easier driving. The mid-20th century saw the introduction of automatic transmissions.  Apabila pembakaran berlaku dalam enjin anda, kuasa dipindahkan kepada crankshaft yang berputar ribuan kali seminit. Namun, ini terlalu cepat bagi roda, jadi kotak equipment menukar kuasa https://gearbox-auto33197.madmouseblog.com/12962390/little-known-facts-about-gearbox-auto