Advantages of Equilibrium Crane :

1.It has the features of frequent handling, accurate aim, easy to handle,high efficiency, reliable quality and easy for  maintenance.

2.It adapts parallelogram linkage principle, driven by hydraulic and moved by machinery. It uses boom and hook to  lift, rotate 360°and move. 

3.It will make the operation easier, and efficiency higher. Also the weight will be lower and the reliability higher. 

Structure Features of Equilibrium Crane: 

1.Hinged four-bar structure boom
2.Hoisting and luffing by cylinders drive four pole structure, double hydraulic tank can work separately or together
3.Dynamic four-bar hinge structure, the head connects the spreader, the end can be weight itself. 
4.No wire rope system. 
5.Wheel type long travel or Walking tractor travel system, see picture.