SPUR BEVEL DRIVE

All about engine, remains straight cut on the crown wheel, and being same cut on the pinion gear,the pinion gear are mesh in the center of crown wheel,and stays straight teeth of both so his called spur drive.its a meaning but for rotate the crwon wheel the pinion gear required more power in the spur bevel drive,and the sound are jenerate even without rotating the gearbox gear and could be possible to brok the gear teeth by shocks pressure, so for that this type does not use in final drive thank you so much for being here