A spreader device comprising: a container portion configured to contain spread substance; a first spreader portion having a first rotor configured to spread the spread substance contained in the container portion; a second spreader portion having a second rotor configured to spread the spread substance contained in the container portion; a third spreader portion having a third rotor configured to spread the spread substance contained in the container portion; a first driver source configured to drive the first rotor; a second driver source configured to drive the second rotor; and a third driver source configured to drive the third rotor, characterized in that the spreader device comprises. a driving-force transmission mechanism configured to transmit, to the third rotor, at least one of a driving force of the first driver source and a driving force of the second driver source, wherein the driving-force transmission mechanism has: a first driving-force transmission portion to which at least one of the driving-force of the first driver source and the driving-force of the second driver source is transmitted; a second driving-force transmission portion to which a driving-force of the third driver source is transmitted, the second driving-force transmission portion being connected to the third driver source; and a third driving-force transmission portion to which at least one of the driving-force of the first driving-force transmission portion and the driving-force of the second driving-force transmission portion is transmitted. a container portion configured to contain spread substance; a first spreader portion having a first rotor configured to spread the spread substance contained in the container portion; a second spreader portion having a second rotor configured to spread the spread substance contained in the container portion; a third spreader portion having a third rotor configured to spread the spread substance contained in the container portion; a first driver source configured to drive the first rotor; a second driver source configured to drive the second rotor; and a third driver source configured to drive the third rotor, characterized in that the spreader device comprises. a driving-force transmission mechanism configured to transmit, to the third rotor, at least one of a driving force of the first driver source and a driving force of the second driver source, wherein the driving-force transmission mechanism has: a first driving-force transmission portion to which at least one of the driving-force of the first driver source and the driving-force of the second driver source is transmitted; a second driving-force transmission portion to which a driving-force of the third driver source is transmitted, the second driving-force transmission portion being connected to the third driver source; and a third driving-force transmission portion to which at least one of the driving-force of the first driving-force transmission portion and the driving-force of the second driving-force transmission portion is transmitted. a first driving-force transmission portion to which at least one of the driving-force of the first driver source and the driving-force of the second driver source is transmitted; a second driving-force transmission portion to which a driving-force of the third driver source is transmitted, the second driving-force transmission portion being connected to the third driver source; and a third driving-force transmission portion to which at least one of the driving-force of the first driving-force transmission portion and the driving-force of the second driving-force transmission portion is transmitted.