A cooling device includes: an introduction pipe configured to introduce a charge air supercharged by a supercharger; a first aftercooler connected to the introduction pipe and configured to cool the charge air; a branch pipe branched from the introduction pipe; a second aftercooler connected to the branch pipe and configured to cool the charge air; and a cooling fan configured to supply a cooling wind to the first aftercooler and the second aftercooler, in which the first aftercooler and the second aftercooler are disposed to be shifted from each other in a rotation axis direction of the cooling fan.