in a change - speed gearbox or motor vehicles with a front molted transverse drive unit comprising a change - speed gearbox in line with an engine and a final drive which is driven by the output gearwheel of the change - speed gearbox and has its main axle mounted in the gearbox housings 1 , 2 , the final drive is a bevel gear right - angle drive consisting of a crown wheel and a pinion and the crown wheel is arranged on an axle member consisting of the same material as the gearbox housings .