The XGC12000-800t crawler crane has carried out technological innovation and achieved a breakthrough in the 'three highs': the first is high hoisting efficiency, the industry's original folding super-lifting counterweight pushing device, which can The efficiency is more than doubled; the second is the high disassembly and assembly efficiency, which greatly saves the installation time through the intelligent lifting control of the mast, the self-disassembly and assembly of the main structural parts, and the design of the pull-out cylinder; the third is the high transition efficiency and the high-power four-wheel drive Walking, mast integrated transportation, boom set transportation, etc., significantly improve the efficiency of transition operations.