A working vehicle comprising a hydraulic working device, which comprises a plurality of hydraulic actuators (34,36,37,38) for driving the hydraulic working device, an operation device for making the plurality of hydraulic actuators (34,36,37,38) selectively or compositely work to drive the hydraulic working device, a working oil supply source that delivers working oil for driving the plurality of hydraulic actuators (34,36,37,38), and a delivered oil amount control device that controls an amount of oil to be delivered from the working oil supply source, wherein the working oil supply source includes an electric motor and a hydraulic pump to be driven by the electric motor, the delivered oil amount control device is configured to perform rotation control of the electric motor according to an operation of the operation device to control an amount of oil to be delivered from the hydraulic pump, when the operation device is subjected to a single operation for making any one of the plurality of hydraulic actuators (34,36,37,38) selectively work, a number of operation-corresponding motor revolutions corresponding to an operation amount of the operation device is set, and a necessary minimum number of revolutions is set instead of the number of operation-corresponding motor revolutions when the number of operation-corresponding motor revolutions is the necessary minimum number of revolutions or less, to perform driving control of the electric motor such that the number of revolutions thus set is obtained, and when the operation device is subjected to a composite operation for making two or more of the plurality of hydraulic actuators (34,36,37,38) compositely work, a total number of motor revolutions obtained by summing numbers of operation-corresponding motor revolutions respectively corresponding to operation amounts in the composite operation is set, and the necessary minimum number of revolutions is set instead of the total number of motor revolutions when the total number of motor revolutions is the necessary minimum number of revolutions or less, to perform driving control of the electric motor such that the number of revolutions thus set is obtained, characterized in that the operation device is subjected to the composite operation for making two or more of the plurality of hydraulic actuators (34,36,37,38) compositely work, a value obtained by multiplying a value obtained by summing the numbers of operation-corresponding motor revolutions respectively corresponding to the operation amounts in the composite operation by a predetermined coefficient K (K < 1.0) is set as the total number of motor revolutions. which comprises a plurality of hydraulic actuators (34,36,37,38) for driving the hydraulic working device, an operation device for making the plurality of hydraulic actuators (34,36,37,38) selectively or compositely work to drive the hydraulic working device, a working oil supply source that delivers working oil for driving the plurality of hydraulic actuators (34,36,37,38), and a delivered oil amount control device that controls an amount of oil to be delivered from the working oil supply source, wherein the working oil supply source includes an electric motor and a hydraulic pump to be driven by the electric motor, the delivered oil amount control device is configured to perform rotation control of the electric motor according to an operation of the operation device to control an amount of oil to be delivered from the hydraulic pump, when the operation device is subjected to a single operation for making any one of the plurality of hydraulic actuators (34,36,37,38) selectively work, a number of operation-corresponding motor revolutions corresponding to an operation amount of the operation device is set, and a necessary minimum number of revolutions is set instead of the number of operation-corresponding motor revolutions when the number of operation-corresponding motor revolutions is the necessary minimum number of revolutions or less, to perform driving control of the electric motor such that the number of revolutions thus set is obtained, and when the operation device is subjected to a composite operation for making two or more of the plurality of hydraulic actuators (34,36,37,38) compositely work, a total number of motor revolutions obtained by summing numbers of operation-corresponding motor revolutions respectively corresponding to operation amounts in the composite operation is set, and the necessary minimum number of revolutions is set instead of the total number of motor revolutions when the total number of motor revolutions is the necessary minimum number of revolutions or less, to perform driving control of the electric motor such that the number of revolutions thus set is obtained, characterized in that the operation device is subjected to the composite operation for making two or more of the plurality of hydraulic actuators (34,36,37,38) compositely work, a value obtained by multiplying a value obtained by summing the numbers of operation-corresponding motor revolutions respectively corresponding to the operation amounts in the composite operation by a predetermined coefficient K (K < 1.0) is set as the total number of motor revolutions.