Typical gearboxes usually have two sets of gears: enter and output. the input & the output. The input gears are fixed within the countershaft, building them one units. It drives the individual gears on the leading shaft, which rotate freely over the bearings. Bevel gearboxes have spiral and straight https://knoxfxkxi.anchor-blog.com/14105326/what-does-gearbox-mean