except for the cab, the configurations of King Prince and Howe are basically the same. The rear eight-wheel dump trucks are basically equipped with WD615.93 WD615.93E series engines with horsepower between 266 and 336, and the front four rear eight dump trucks are equipped with WD615.95 WD615.95E series engines with horsepower between 29 and 371. The engine is a national heavy duty truck brand engine produced by China National Heavy Duty Truck Company. Personally, King Prince is self-propelled.