Mawilo owoneka bwino amapangidwa ndi chipolopolo chokhazikika, mkono wagalu, thupi la magudumu, lobowola kwambiri, kuti masika azikhala okhazikika, otetezeka komanso otetezeka.
Gud Wheel ndi gawo lovala lagalimoto ndi mbali zina, lamba wokhala ndi nthawi yayitali kuvala ydraulic unit, masika ocheperako amayenda, ndipo amatha kupewa.
Gudumu lozunzidwa ndi la kukonza njira yokonza, yomwe nthawi zambiri imayenera kusinthidwa kwa makilomita 60,000,000. Nthawi zambiri, ngati pali phokoso lazovuta kumapeto kwa injini kapena malo omwe ali ndi mawilo owoneka bwino amapatuka kwambiri kuchokera pakati, kumatanthauza kuti mphamvu yovuta siyokwanira. Ndikulimbikitsidwa kusintha lamba, mawilo owoneka bwino, mawilo oyipitsitsa ndi duwa limodzi lokhathamiritsa pomwe njira yotsitsira kutsogolo ikumveka bwino pa 60,000-80,000 km
