The characteristic property of the right angle gearboxes is that the drive shaft and the output shaft are positioned perpendicular to each other exactly at an angle of 90 degrees. Such types of gearboxes help reduce noise and backlash in the devices. 90 degree gearboxes can be further categorized as Worm, Bevel, Helical bevel, helical worm, planetary, and spiral-bevel gearbox based on their design & cuts.