In the event of sliding mesh gearbox, the output shaft gears continuously rotate Together with the output shaft while in other gearbox, the output shaft gears are mounted with bearings hence these gears rotates separately. This is much more effective for hybrid vehicles, which can use CVT to stability out https://tysonxmyju.bcbloggers.com/32974807/how-gearbox-auto-can-save-you-time-stress-and-money