Standard gearboxes usually have two sets of gears: enter and output. the enter & the output. The input gears are mounted on the countershaft, producing them one units. It drives the individual gears on the primary shaft, which rotate freely within the bearings. So by locking any individual’s gear, https://andersonewjtf.blogthisbiz.com/40595773/indicators-on-gearbox-you-should-know