The gearbox (also called a transmission) is a large and important part of any vehicle using a combustion engine. 3 other gears like first velocity, next speed, and reverse velocity gear are also rigidly set into the countershaft or often called layshaft. Two gears mounted to the splined primary shaft might https://automobilegearbox86306.win-blog.com/14708732/everything-about-automobile-gearbox