Vertical dryer with trays indicated for who has working little space, the dryer allows to obtain long drying times in small spaces with limited energy consumption. The machine has a series of cross-bladed baskets that take the pieces to be dried and which move inside the dryer with movements of up / down and translation, making the pieces pass through the different ventilation zones. The dryer is generally divided into a drying zone, two temperature-controlled drying zones and one cooling zone.