Regular gearboxes normally have two sets of gears: enter and output. the enter & the output. The enter gears are fixed around the countershaft, making them solitary units. It drives the person gears on the key shaft, which rotate freely on the bearings. Bevel gearboxes have spiral and straight https://trevorxwvro.activablog.com/32949802/what-does-gearbox-mean