Regular gearboxes typically have two sets of gears: enter and output. the enter & the output. The enter gears are preset on the countershaft, making them solitary units. It drives the person gears on the main shaft, which rotate freely on the bearings. Spur and helical gears are Utilized https://gearbox75307.digitollblog.com/33609153/examine-this-report-on-gearbox