To provide an agricultural work machine capable of switching the power from a running body to transmit to an operating part of the agricultural work machine, or to output to a device other than the agricultural work machine.

The agricultural work machine comprises: a first bevel gear 3 transmitted the power from a running body via an input shaft 1; a second bevel gear 41 engaged with the first bevel gear 3 and transmitted the power; a driving shaft 21, having a rotation axis on the rotation axis line of the second bevel gear 41, positioned on one side of the second bevel gear 41 and transmitting the power to the working part side of the agricultural work machine; and externally outputting shaft 31, having a rotation axis on the rotation axis line of the second bevel gear 41 positioned on the reverse side of the driving shaft 21 to the second bevel gear 41 and outputting the power to a device of another than the agricultural vehicle; and a crutch part 20, capable of switching the power of the second bevel gear 41 to transmit to the driving shaft 21 or to output to an externally output shaft 31.