Theka shaft ndi shaft yomwe imatumiza torque pakati pa kuchuluka kwa gearbobbox ndi gudumu loyendetsa (lolimba kale, koma shaft yosavuta kugwiritsa ntchito ma shakes). Mapeto ake amkati ndi kunja amakhala ndi cholumikizira cha Universal (U / Chogwirizana) motero, chomwe chimalumikizidwa ndi zida zochepetsetsa ndi mphete yamkati ya nthitiyo pa mzere womwe uli pachilichonse.
Shaft shaft imagwiritsidwa ntchito kusamutsa mphamvu pakati pa njira yoyendetsera komanso gudumu loyendetsa. Axamwali theka la ma axt wamba osaphwanya amatha kuyagandira, 3/1 / 4 yoyandama ndi theka loyandama malinga ndi mitundu yothandizira kunja.