An electric working vehicle, comprising: a body of vehicle; plural numbers of wheels (10, 11, 20, 21), which are attached to said body; a running motor, which is configured to supply a driving force for running to at least one wheel (20, 21) of said plural numbers of wheels (10, 11, 20, 21); a means, which is configured to be attached on part of said body of vehicle, and thereby conducting a predetermined work therewith; a work motor, which is configured to execute the predetermined work with using said working means; a battery, which is configured to be attached on part of said body of vehicle, and to supply electric power to said running motor and said work motor; a first power converter, which is configured to convert the electric power from said battery into required electric power to supply it to said running motor; a second power converter, which is configured to convert the electric power from said battery into required electric power to supply it to said work motor; and a controller portion (603, 653), which is configured to control at least power conversion operations of said first power converter and said second converter, wherein as least, said first power converter is able to operate regeneration, and said controller portion (603, 653) controls said second power converter in such a manner that when said first power converter operates under condition of the regeneration, regeneration electric power is supplied to said work motor, depending on a charging condition of said battery characterized in that said work motor is a 3-phase AC motor and in that said controller portion (603, 653) is further configured to control said second power converter in such a manner that a torque component of the electric power to be supplied from said second power converter to said 3-phase AC work motor is suppressed to a degree so that said 3-phase AC work motor does not work said working means. a body of vehicle; plural numbers of wheels (10, 11, 20, 21), which are attached to said body; a running motor, which is configured to supply a driving force for running to at least one wheel (20, 21) of said plural numbers of wheels (10, 11, 20, 21); a means, which is configured to be attached on part of said body of vehicle, and thereby conducting a predetermined work therewith; a work motor, which is configured to execute the predetermined work with using said working means; a battery, which is configured to be attached on part of said body of vehicle, and to supply electric power to said running motor and said work motor; a first power converter, which is configured to convert the electric power from said battery into required electric power to supply it to said running motor; a second power converter, which is configured to convert the electric power from said battery into required electric power to supply it to said work motor; and a controller portion (603, 653), which is configured to control at least power conversion operations of said first power converter and said second converter, wherein as least, said first power converter is able to operate regeneration, and said controller portion (603, 653) controls said second power converter in such a manner that when said first power converter operates under condition of the regeneration, regeneration electric power is supplied to said work motor, depending on a charging condition of said battery characterized in that said work motor is a 3-phase AC motor and in that said controller portion (603, 653) is further configured to control said second power converter in such a manner that a torque component of the electric power to be supplied from said second power converter to said 3-phase AC work motor is suppressed to a degree so that said 3-phase AC work motor does not work said working means.