The Zoomlion QAY800 all terrain specially developed for 2.0 to 2.5 MW wind turbine hoisting. With its innovative technologies such as fixed rope lifting devices, deformation-resistant lasso legs, a micro-luffing boom for wind turbine hoisting and adaptive rotary control, the all-terrain crane is able to ensure high efficiency and safety lifting during the operations. Efficient load transfer and quick assembly self-erecting features make the crane extremely suitable for wind turbine installation operations.