Regular gearboxes ordinarily have two sets of gears: input and output. the enter & the output. The enter gears are fixed about the countershaft, producing them solitary models. It drives the person gears on the primary shaft, which rotate freely to the bearings. Spur and helical gears are Utilized https://johnathandcbzv.bloggerswise.com/41144732/not-known-details-about-gearbox