A few other gears like first speed, 2nd pace, and reverse velocity equipment will also be rigidly preset for the countershaft or also known as layshaft. Two gears mounted about the splined most important shaft could be slid because of the shifter yoke when the shift lever is operated. https://deanmrtvv.onesmablog.com/5-easy-facts-about-gearbox-auto-described-72930748