In case of sliding mesh gearbox, the output shaft gears continuously rotate With all the output shaft even though in other gearbox, the output shaft gears are mounted with bearings that's why these gears rotates separately. Sensors in automatic transmissions use inside oil strain to change gears at the suitable https://gearbox-auto87306.answerblogs.com/34005930/the-basic-principles-of-gearbox-auto