In such a gearbox, every one of the gears of the key shaft are in constant mesh Together with the corresponding gears of the countershaft (layshaft). As being the figure displays, two sliding Puppy clutches are supplied on the key shaft. A Clutch shaft is generally known as a driving shaft, https://automobilegearbox41738.win-blog.com/14707811/the-automobile-gearbox-diaries