The central bar for spraying and/or distributing products in powder, liquidand granulate formulations refers to a central bar (1) to be fixed on the chassis(2a), between the front (2b) and the back (2c) wheels of a propeller vehicle (2),which is composed of a central frame set (3) and two side bars (4), where the centralframe set (3) is composed of two brackets (3a) fixed to the chassis (2a) of saidpropeller vehicle (2)； a horizontal pantograph subset (3b)； two vertical pantographsubsets (3c), linked between them by the top side arms (3f) through an alternatoraxis (3i)； two top articulation subsets (3e) formed from the extensions of thetop side arms (3f)； a shock absorption system, through bearings (3u) fixed tothe inner walls of the brackets (3m) which are fixed to the side bars (4), whereinthe internal braces (3n) are the end of the course； two bottom side subsets (3d)which are formed from the extensions of the bottom side arms (3h) driven by thehydraulic actuators (3t).
