A spreading machine, comprising: - a traveling vehicle; and - a spreading device having a mounting unit mounted onto the traveling vehicle; the spreading device further comprising - a containing unit to contain a spread material; - a first spreading unit including a first rotating body to spread the spread material contained in the containing unit; - a second spreading unit including a second rotating body to spread the spread material contained in the containing unit; - a first driving source which is a motor and of which speed is changeable; - a first shaft to transmit power provided from the first driving source; - a second driving source different from the first driving source, wherein - the second driving source is an internal combustion engine provided in the traveling vehicle, - the second driving source is to provide power to a second shaft configured to transmit the power and - the power provided from the second driving source is transmitted to the second shaft via a PTO shaft of the traveling vehicle; and - a power transmission mechanism to receive power from the first shaft and power from the second shaft, the power transmission mechanism being capable of transmitting the power received from the first shaft and the power received from the second shaft to the first rotating body and the second rotating body characterised in that both the first driving source and the second driving source are capable of driving the first rotating body and the second rotating body. - a traveling vehicle; and - a spreading device having a mounting unit mounted onto the traveling vehicle; - a containing unit to contain a spread material; - a first spreading unit including a first rotating body to spread the spread material contained in the containing unit; - a second spreading unit including a second rotating body to spread the spread material contained in the containing unit; - a first driving source which is a motor and of which speed is changeable; - a first shaft to transmit power provided from the first driving source; - a second driving source different from the first driving source, wherein - the second driving source is an internal combustion engine provided in the traveling vehicle, - the second driving source is to provide power to a second shaft configured to transmit the power and - the power provided from the second driving source is transmitted to the second shaft via a PTO shaft of the traveling vehicle; and - the second driving source is an internal combustion engine provided in the traveling vehicle, - the second driving source is to provide power to a second shaft configured to transmit the power and - the power provided from the second driving source is transmitted to the second shaft via a PTO shaft of the traveling vehicle; and - a power transmission mechanism to receive power from the first shaft and power from the second shaft, the power transmission mechanism being capable of transmitting the power received from the first shaft and the power received from the second shaft to the first rotating body and the second rotating body characterised in that both the first driving source and the second driving source are capable of driving the first rotating body and the second rotating body.