The central bar for spraying and/or distributing products in powder, liquid and 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 central frame set (3) is composed of two brackets (3a) fixed to the chassis (2a) of said propeller vehicle (2) a horizontal pantograph subset (3b) two vertical pantograph subsets (3c), linked between them by the top side arms (3f) through an alternator axis (3i) two top articulation subsets (3e) formed from the extensions of the top side arms (3f) a shock absorption system, through bearings (3u) fixed to the inner walls of the brackets (3m) which are fixed to the side bars (4), wherein the 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 the hydraulic actuators (3t).
