Application equipment of four-sided plant protection products of the type comprising a chassis (1) with double beam, towable by an agricultural tractor, to which the raceway is linked by a suspension system consisting of two leaf springs parabolic and which is characterized in that the chassis (1) serves as a support for a broth tank (2), supported longitudinally on both beams of the chassis (1), and incorporates a pump (3) that provides the flow and pressure necessary for the correct operation of the spray circuit； and integrally attached to the chassis (1), a multiplier unit (4) that transmits the movement from the pto of the tractor to the two fan assemblies (7, 8), composed of a first centrifugal fan (7) responsible for generating the flow rate of air driven through the air ducts of the upper structure (5), which in turn serves as support for said ducts and for the nozzle holder diffusers (6), and a second fan group composed of a fan - axial sprayer (8), located in the rear area of the chassis (1) responsible for generating the air flow that assists the spraying of crop faces immediately next to the spraying equipment. (Machine-translation by Google Translate, not legally binding)1. Equipo de aplicación de productos fitosanitarios a cuatro caras del tipo de los que comprenden un chasis (1) de doble viga, remolcable mediante un tractor agrícola, al cual se le vincula el eje de rodadura mediante un sistema de suspensión conformado por dos ballestas parabólicas y que está caracterizado porque el chasis (1) sirve como soporte de un depósito de caldo (2), apoyado longitudinalmente sobre ambas vigas del chasis (1), e incorpora una bomba (3) que provee el caudal y presión necesarios para el correcto funcionamiento del circuito de pulverización； e incorpora solidariamente unido al chasis (1), un grupo multiplicador (4) que transmite el movimiento desde la toma de fuerza del tractor hacia los dos conjuntos ventiladores (7, 8), compuestos por un primer ventilador centrífu
