In the event of sliding mesh gearbox, the output shaft gears continually rotate Along with the output shaft while in other gearbox, the output shaft gears are mounted with bearings consequently these gears rotates individually. Sensors in automatic transmissions use interior oil strain to change gears at the right time. https://gearbox-auto31852.blogacep.com/39040607/the-definitive-guide-to-gearbox-auto