A na-akpọkwa Crossmember sub-frame, nke na-ezo aka na nkwado nke na-akwado ihu na azụ axles na nkwusioru nke mere na àkwà mmiri na nkwusioru na-ejikọta na "mainframe" site na ya. Mgbe echichi gasịrị, ọ nwere ike igbochi mkpọtụ na mkpọtụ ma belata ntinye ya kpọmkwem n'ime ụgbọ ala. ụda nke.

N'ozuzu, crossmember chọrọ nnukwu siri ike na usoro nhazi. Enwere ike ịgbakwunye pad rọba n'etiti isi na crossmember. Mgbe a na-emezi isi ihe, a na-emezi rọba na-agbanwe agbanwe iji mee ka ihe mgbochi nke crossmember dị na isi. Lezienụ anya na crossmember. Mgbe a na-ahazi crossmember na chassis nke ụgbọ ala ahụ, njedebe ihu ya kwesịrị ịdị nso dị ka o kwere mee na mgbidi azụ nke ụgbọ ala ahụ.

A-frame crossmember mgbakọ na-agụnye crossmember na njikọ njikọ. Njikọ njikọ ahụ nwere elu elu na akụkụ akụkụ. A na-ejikọta elu elu nke njikọ njikọ n'okpuru ebe nkwado nke crossmember, na n'akụkụ elu nke njikọ njikọ na-ejikọta ya na nku nku n'akụkụ nke etiti longitudinal beam Inside. The njikọ bracket na-ahaziri n'akụkụ nku elu nke etiti longitudinal doo iji zere nku elu elu nke etiti longitudinal doo na kasị elu nchegbu, si otú na-ezere nsogbu nke riveting oghere cracking kpatara nchegbu ịta, na-emeziwanye nchekwa nke ukwuu. ụgbọ ala ahụ