Typical gearboxes typically have two sets of gears: enter and output. the input & the output. The enter gears are fixed over the countershaft, building them single units. It drives the person gears on the primary shaft, which rotate freely to the bearings. Torque converter does precisely the same https://gearbox19630.wizzardsblog.com/33738054/not-known-details-about-gearbox