Common gearboxes typically have two sets of gears: enter and output. the enter & the output. The enter gears are fixed on the countershaft, making them single units. It drives the individual gears on the main shaft, which rotate freely within the bearings. A gearbox in a vehicle is https://riveruvsqm.blue-blogs.com/41082031/the-smart-trick-of-gearbox-that-no-one-is-discussing