These trucks are called mining trucks and they carry rocks and dirt from underground.

这些卡车被称为矿用卡车， 它们从地下运载岩石和泥土。

This machine is equipped with the most powerful engine in the class, MTU 20V4000 C22 rated at 4023 HP It continues to be the lightest and most capable ultra class mining truck.

该机器配备了同类中最强大的发动机，MTU 20V4000 C22， 额定功率为 4023 马力， 它仍然是最轻、最强大的超级矿用卡车。