Ama-Skeleton semi trailer aklanyelwe ukuthutha iziqukathi ze-ISO. Lawa ma-trailer anesakhiwo esincane, esinohlaka oluvulekile, okuwenza alungele ukuthutha iziqukathi, ikakhulukazi ezimbonini zezokuthutha kanye nezokuthutha. Ama-trailer ama-Skeleton ahlukahlukene kakhulu futhi angathwala iziqukathi ezinosayizi abahlukahlukene, okuqinisekisa izinga eliphezulu lokuguquguquka emisebenzini yezokuthutha. 

Inzuzo yabo eyinhloko ikhono labo lokuthwala kahle imithwalo esindayo, ngokuvamile ngaphandle kwemishini eyengeziwe eyinkimbinkimbi efana nemigwaqo yokulayisha noma izindlela ezikhethekile zokuphakamisa. Anesisindo esincane uma kuqhathaniswa namanye ama-trailer, esiza ukunciphisa ukusetshenziswa kukaphethiloli ngesikhathi sokudonsa ibanga elide. Ukwengeza, ama-trailer angama-skeleton ayabiza, njengoba adinga ukulungiswa okuncane futhi kulula ukuwakhanda. Asetshenziswa kakhulu ekuthuthweni kweziqukathi, ama-trailer ahlakazekile abalulekile ekuhambeni kwezimpahla emhlabeni wonke, ahlinzeka ngokusebenza kahle kakhulu lapho kudluliswa iziqukathi phakathi kwemikhumbi, izinqola zesitimela namaloli. Lokhu kubenza babe ucezu lwemishini ebalulekile ekusebenzeni kwechweba kanye namanethiwekhi okuthutha aphakathi.