<p>The disclosed dishwasher (50) is provided with a washing tank (11) that is disposed inside a chassis (10), which opens to the front, and washes dishes (3) that are accommodated therein; slide mechanisms (12) that are installed on either side of the washing tank (11) and support the washing tank (11) to be moveable in the front-back direction; and rail attachment parts (13) that fix the slide mechanisms (12) to the chassis (10). The dishwasher is configured so that when the rail attachment parts (13) are attached to the chassis (10), the cross-sectional shape formed by the rail attachment part (13) and the side wall (10a) of the chassis (10) is a rectangle or box.</p>
