With the development of technology, modern trailer heads are gradually incorporating intelligent elements. Some high-end trailer heads are equipped with autonomous driving assistance systems, remote monitoring technology, and intelligent fault diagnosis systems, further enhancing the convenience and safety of driving. Trailer heads play a crucial role in road transportation. It is not only the power source for cargo transportation, but also a key factor in ensuring driving safety and improving transportation efficiency. A high-performance trailer can significantly reduce transportation costs, improve transportation efficiency, and provide strong support for cargo transportation.