Bokosi la gearbox la flail mower, lomwe limadziwikanso kuti flail mower gearbox, ndi gawo lofunikira pa makina otchetcha flail.Kutumiza kumasamutsa mphamvu kuchokera ku PTO ya thirakitala kupita ku ng'oma ya chotchera flail.Ng'omayi imakhala ndi tsinde yomwe imamangiriridwa timizere tambiri tating'onoting'ono.Ma gearbox adapangidwa kuti azipereka mphamvu zamagetsi moyenera komanso zodalirika pomwe akuchepetsa kuchuluka kwa opareshoni.