Buthini obona bude bubuninzi beSemitrailer?

Ubude be-semitrailer bulawulwa ngokungqongqo ngurhulumente, kunye nobude obuninzi beemitha ezili-17.5. Ububanzi obuqhelekileyo be-semitrailer ngokuqhelekileyo buzimitha ezi-2.5, kodwa ububanzi obukhethekileyo bubandakanya i-2.55 yeemitha, i-2.8 yeemitha kunye ne-3 yeemitha. Ukongeza kubude obuqhelekileyo beemitha ezili-13, ii-semitrailers zifumaneka kwi-10-metres, 11-metres, 14.6-metres, 16-metres, and 17.5-metres ubude. Eyona semitrailer ixhaphakileyo endleleni imalunga ne-17.5 yeemitha ubude, kunye nomzimba ongundoqo wesithuthi unobude beemitha ezili-13 kunye nobude obupheleleyo kubandakanya isiphelo sangaphambili esiphantse silingane nexabiso elikhankanywe ngasentla. Ezi semitrailer ziqhele ukusetyenziselwa iinjongo zebhedi ephantsi kunye nezithuthi.