An exchange device (1, 11) configured to exchange an exchangeable element (8, 8X, 8X1-8X4, 8Y, 8Z) detachably installed in a component supply section of a component mounting device (93, 94, 95), the component supply section in which the exchangeable elements (8, 8X, 8X1-8X4, 8Y, 8Z, TR), each of which includes at least a component container accommodating multiple components, are arranged side-by-side in an arrangement direction, which is at right angles to an attachment/detachment direction for detachably installing the exchangeable element (8, 8X, 8X1-8X4, 8Y, 8Z, TR), the exchange device (1, 11) comprising: an arrangement directional moving section configured to move with respect to the component mounting device (93, 94, 95) in the arrangement direction; an exchange section provided in the arrangement directional moving section; a holding section (5, 5Y, 5Z) provided in the exchange section and configured to hold the exchangeable element (8, 8X, 8X1-8X4, 8Y, 8Z, TR); an arrangement direction driving device configured to move the arrangement directional moving section in the arrangement direction; and an attachment/detachment direction driving device including a driving motor (43, 47), characterized in that the exchange section comprises multiple attachment/detachment directional moving sections (32, 32Y, 32Z) configured to move the exchangeable elements independently of each other in the attachment/detachment direction of the exchangeable element (8, 8X, 8X1-8X4, 8Y, 8Z, TR); at least one holding section (5, 5Y, 5Z) is provided in each of the multiple attachment/detachment directional moving sections (32, 32Y, 32Z) configured to hold each of the exchangeable elements; and the attachment/detachment direction driving device includes multiple driving motors (43, 47) and is configured to move multiple attachment/detachment directional moving sections (32, 32Y, 32Z), independently of each other, in the attachment/detachment direction. an arrangement directional moving section configured to move with respect to the component mounting device (93, 94, 95) in the arrangement direction; an exchange section provided in the arrangement directional moving section; a holding section (5, 5Y, 5Z) provided in the exchange section and configured to hold the exchangeable element (8, 8X, 8X1-8X4, 8Y, 8Z, TR); an arrangement direction driving device configured to move the arrangement directional moving section in the arrangement direction; and an attachment/detachment direction driving device including a driving motor (43, 47), characterized in that the exchange section comprises multiple attachment/detachment directional moving sections (32, 32Y, 32Z) configured to move the exchangeable elements independently of each other in the attachment/detachment direction of the exchangeable element (8, 8X, 8X1-8X4, 8Y, 8Z, TR); at least one holding section (5, 5Y, 5Z) is provided in each of the multiple attachment/detachment directional moving sections (32, 32Y, 32Z) configured to hold each of the exchangeable elements; and the attachment/detachment direction driving device includes multiple driving motors (43, 47) and is configured to move multiple attachment/detachment directional moving sections (32, 32Y, 32Z), independently of each other, in the attachment/detachment direction.