The equipment is described as a mobile crane unit.
这辆工程车实际上是可移动的起重机。
奇趣工程百科
It is the sturdiest crane of its type and has all the capabilities and adaptability of a fully mobile ring crane, including winches and cables, hook blocks, and a 360 degree slewing capability.
A mobile crane is a cable-controlled crane mounted on crawlers or rubber-tired carriers or a hydraulic-powered crane with a telescoping boom mounted on truck-type carriers or as self-propelled models. They are designed to easily transport to a site and use with different types of load and cargo with little or no setup or assembly.