In this type of gearbox, many of the gears of the main shaft are in continual mesh Using the corresponding gears in the countershaft (layshaft). As being the figure displays, two sliding Doggy clutches are presented on the principle shaft. In manual transmission, the motive force must shift the gears manually https://automobile-gearbox18494.snack-blog.com/34114288/the-ultimate-guide-to-automobile-gearbox