Le semi-trailer air suspension yobuchwepheshe iqinisekisa ukunciphisa ukuhamba, ukusebenza kahle, nokuhambisana nezimo zomgwaqo, kuthuthukisa ukusebenza kwemoto. Inezinsiza zokuphakamisa i-axle ezinciphisa ukugqoka kwamathayi ngesikhathi sokusebenza okungenalutho futhi ivumela ukulungiswa kokuphakama ukuze kube lula ukwehlisa. Ngokuqinisekiswa kwe-ISO/TS16949, iqinisekisa ukuhambisana nezindinganiso zokusebenza kwezimoto zomhlaba, iqinisekisa ukusebenza okuthembekile nokwaneliseka kwamakhasimende.