While the automotive and truck industry conducted substantial research in the application of face gear systemsin theirdrivetrains, theresultsdid notfavorfacegearsversusbevel and hypoid gears. In manycases, thefacegearsystem wasfound thelesseconomical solution. Although, atfirstitseemstheopposite, sincethe driving pinion in afacegearunitcan beproduced morecosteffectivethen...