Different cars have slightly different chassis compositions: for example, for trucks and somesedans, the chassis is generally composed of clutches, manual transmissions, universaltransmission devices, drive axles, etc;, Nowadays, more and more cars are using automatictransmissions, which include chassis components such as automatic transmissions, universaltransmission devices, and drive axles, replacing clutches and manual transmissões sem transmissões; Se é um veículo off - rodoviário (incluindo SUV, ou seja, veículo utilitário esportivo), ele também deve incluir um estojo de transferência.