The ala ewepụghị ọkara trailer emekarị adopts concave doo (ma ọ bụ nke ọma ụdị) eku. The n'ihu na ngalaba nke etiti bụ gooseneck (na traction pin nke n'ihu ngalaba nke gooseneck jikọọ na traction sadulu na traktọ, na ike nke gooseneck jikọọ na ọkara trailer etiti), n'etiti ngalaba bụ ibu n'elu ikpo okwu (nke kasị ala akụkụ nke etiti), na ike bụ wheel etiti (gụnyere wheel).

Mgbe itinye n'ibu akụrụngwa na ala ewepụghị ọkara trailer, ọ na-emekarị ibu n'ibu akụrụngwa si ike nke ọkara trailer, ie na-akpụ akpụ na n'ibu akụrụngwa si n'azụ wheel etiti ma ọ bụ wepụ wiil, na mgbe ahụ gwara n'ibu akụrụngwa na ọkara trailer.The ewepụghị ọkara trailer adabara na-ebuga iche iche iche iche nke n'ibu akụrụngwa, nnukwu ihe, okporo ụzọ na-ewu na ngwá, nnukwu tank ozu, ike ojii ngwá na dị iche iche na ígwè na ngwaahịa. "On n'ụzọ" ọkwọ ụgbọala kwuru na ala ewepụghị ọkara trailer nwere ewepụghị ụdị, concave doo ụdị na taya gụrụ ụdị Ọdịdị, na longitudinal doo adopts ewepụghị ụdị ma ọ bụ gooseneck ụdị.

Jiri nke ala ewepụghị ọkara trailers:

Ọ na-emekarị na-eji ụgbọ njem arọ ugbo ala (dị ka traktọ, bọs, pụrụ iche ugbo ala, wdg), okporo ígwè ugbo ala, Ngwuputa ígwè, oke ohia ígwè, engineering ígwè (dị ka egwupụta, bulldozers, loaders, pavers, cranes, wdg) na ọzọ arọ ngwongwo. The ala etiti nke ike ndọda, mma kwụsie ike na nchekwa, na ike ike iga super elu ngwongwo ma na-agafe na-efefe n'elu ihe mgbochi.

The isi ụdị nke ala ewepụghị ọkara trailer bụ: abụọ axle elu na ala, abụọ akara anọ axle elu na ala, atọ axle elu na ala, atọ akara isii axle elu na low.Low ewepụghị ọkara trailer na-bụ-eji ibufe nnukwu na ike kewaa nnukwu ibu, dị ka-egwupụta, wdg, ngere ụdị ọzọ bụ adabara Anam Udeme ọhụrụ ibu, dị ka akwụkwọ nri, mkpụrụ osisi, wdg van ụdị ọzọ bụ adabara Anam Udeme nnukwu ibu na ndị ọzọ bara uru ibu megide iru mmiri