A working vehicle with an electromagnetic brake, comprising: a left wheel and a right wheel which are drive wheels driven for travel by a left traction motor and a right traction motor, respectively; a working machine which is driven for executing ground work; a left electromagnetic brake and a right electromagnetic brake provided corresponding to the left wheel and the right wheel, respectively, and which execute a brake release operation of the left wheel and the right wheel by supply of electricity from a power supply, and execute a brake operation of the left wheel and the right wheel when the supply of electricity from the power supply is cut off; a common brake releasing unit which is common to the left electromagnetic brake and the right electromagnetic brake and which electrically connects the power supply and the left electromagnetic brake and the right electromagnetic brake to supply electricity from the power supply to the left electromagnetic brake and the right electromagnetic brake when a brake release instruction is obtained; and a controller which controls the common brake releasing unit, characterized in that the controller comprises: a comparator which compares the electricity supply states of the left electromagnetic brake and the right electromagnetic brake, and a common release control unit which controls the common brake releasing unit to disconnect the electrical connection between the power supply and the left electromagnetic brake and the right electromagnetic brake, and to brake the left wheel and the right wheel, when a difference between the electricity supply states compared in the comparator exceeds the allowable upper limit. a left wheel and a right wheel which are drive wheels driven for travel by a left traction motor and a right traction motor, respectively; a working machine which is driven for executing ground work; a left electromagnetic brake and a right electromagnetic brake provided corresponding to the left wheel and the right wheel, respectively, and which execute a brake release operation of the left wheel and the right wheel by supply of electricity from a power supply, and execute a brake operation of the left wheel and the right wheel when the supply of electricity from the power supply is cut off; a common brake releasing unit which is common to the left electromagnetic brake and the right electromagnetic brake and which electrically connects the power supply and the left electromagnetic brake and the right electromagnetic brake to supply electricity from the power supply to the left electromagnetic brake and the right electromagnetic brake when a brake release instruction is obtained; and a controller which controls the common brake releasing unit, characterized in that the controller comprises: a comparator which compares the electricity supply states of the left electromagnetic brake and the right electromagnetic brake, and a common release control unit which controls the common brake releasing unit to disconnect the electrical connection between the power supply and the left electromagnetic brake and the right electromagnetic brake, and to brake the left wheel and the right wheel, when a difference between the electricity supply states compared in the comparator exceeds the allowable upper limit. a comparator which compares the electricity supply states of the left electromagnetic brake and the right electromagnetic brake, and a common release control unit which controls the common brake releasing unit to disconnect the electrical connection between the power supply and the left electromagnetic brake and the right electromagnetic brake, and to brake the left wheel and the right wheel, when a difference between the electricity supply states compared in the comparator exceeds the allowable upper limit.