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 transmisiones con transmisiones automáticas; LF es un vehículo de carretera fuera de la carretera (incluido SUV, es decir, vehículo utilitario deportivo), también debe incluir una caja de transferencia.