PROBLEM TO BE SOLVED: To achieve an efficient power supply connection between a traveling device of a working vehicle and a working device installed in the working vehicle, and an internal power source and an external power source.SOLUTION: The working vehicle includes: a power source selection part 5 that selects either of an inside power source 4 or an external power source 1 or both of them； a battery 10 that is charged by the power source selected by the power source selection part 5 as the power source for power charging； a drive control part 6 that supplies the power supplied from at least one of the power source selected by the power source selection part 5 or the battery 10 to an electric motor for driving or a PTO electric motor or both electric motors； and a power supply management part 7 that has a plurality of charge management modes that manage the selection of the power source for the charging power in power source selection section 5 and the plurality of driving management modes that manage selection of the power source in the power source selection part 5 and selection of the supply destination of the driving power in the drive control part 6.
