QUY400 crawler crane is a large-tonnage high-end crane product developed by Xugong Company in order to meet the market demand and actively participate in international competition. The machine absorbs advanced technology at home and abroad, uses advanced design means, optimizes structural design, and has excellent lifting performance. The machine adopts crawler chassis and multi-combination truss boom, which has the advantages of small ground specific pressure, driving with load, large lifting height and high lifting performance. The tower secondary boom can be constructed close to the building, and the super lifting device with variable overweight radius can provide super lifting performance and mobile flexibility. German Hersman computer program control system to ensure the safe work of the crane. Pump control variable hydraulic system, closely combined with electric proportional operating system, energy saving and high efficiency, accurate control. The power transmission components of internationally famous enterprises are environmentally friendly and reliable. The car has overcome a number of key core technologies, and the technical level has reached the international advanced level.
