Dishwasher having multiple spray arms for improved washing effectiveness

The present invention relates to a dishwasher (1) comprising a tub (2) having a base (3), a rear wall (4) and two side walls (5) surrounding the base (3); a door (6) providing access to the tub (2), connected to the tub (2) from its lower side and opening by tilting forward; a rack (7) having a washing position wherein it is placed on the base (3) so as to entirely remain inside the tub (2) and a loading position wherein it is positioned on the inner surface of the door (6) by being moved forward when the door (6) is open and wherein loading-unloading can be performed; and a spray arm (8) that extends from the base (3) into the tub (2), that remains under the rack (7) when the rack (7) is in the washing position and that sprays water into the rack (7) by rotating around itself.