A transaxle device comprising: a first driving shaft arranged coaxially with a crankshaft of an engine, which is mounted on a vehicle, and connected to the crankshaft; a first output shaft arranged in parallel to the first driving shaft and configured to transmit power to a traveling driving shaft of the vehicle via a differential gear; a second driving shaft (12,13) arranged in parallel to the first output shaft and configured by an inner shaft and an outer shaft including the inner shaft to be capable of relatively rotating; a first electric motor arranged coaxially with the inner shaft and connected to the inner shaft; a second electric motor arranged coaxially with the outer shaft and connected to the outer shaft; a first gear set configured by meshing a plurality of gears and configured to transmit the power between the first driving shaft and the inner shaft; a second gear set configured by meshing a plurality of gears and configured to transmit the power between the outer shaft and the first output shaft; a power connecting and disconnecting unit configured to connect and disconnect the power transmitted by the first driving shaft, characterized in that the transaxle device further comprises: a second output shaft arranged in parallel to the first output shaft and configured to transmit the power to the traveling driving shaft via the differential gear; and a third gear set configured by meshing a plurality of gears and configured to transmit the power between the first driving shaft and the second output shaft; and wherein the power connecting and disconnecting unit is provided in the second output shaft; and wherein a center distance between the second driving shaft (12,13) and the second output shaft is set longer than a distance from an axial center of the second electric motor to an outermost circumference of a housing that houses the second electric motor. a first driving shaft arranged coaxially with a crankshaft of an engine, which is mounted on a vehicle, and connected to the crankshaft; a first output shaft arranged in parallel to the first driving shaft and configured to transmit power to a traveling driving shaft of the vehicle via a differential gear; a second driving shaft (12,13) arranged in parallel to the first output shaft and configured by an inner shaft and an outer shaft including the inner shaft to be capable of relatively rotating; a first electric motor arranged coaxially with the inner shaft and connected to the inner shaft; a second electric motor arranged coaxially with the outer shaft and connected to the outer shaft; a first gear set configured by meshing a plurality of gears and configured to transmit the power between the first driving shaft and the inner shaft; a second gear set configured by meshing a plurality of gears and configured to transmit the power between the outer shaft and the first output shaft; a power connecting and disconnecting unit configured to connect and disconnect the power transmitted by the first driving shaft, characterized in that the transaxle device further comprises: a second output shaft arranged in parallel to the first output shaft and configured to transmit the power to the traveling driving shaft via the differential gear; and a third gear set configured by meshing a plurality of gears and configured to transmit the power between the first driving shaft and the second output shaft; and wherein the power connecting and disconnecting unit is provided in the second output shaft; and wherein a center distance between the second driving shaft (12,13) and the second output shaft is set longer than a distance from an axial center of the second electric motor to an outermost circumference of a housing that houses the second electric motor. a second output shaft arranged in parallel to the first output shaft and configured to transmit the power to the traveling driving shaft via the differential gear; and a third gear set configured by meshing a plurality of gears and configured to transmit the power between the first driving shaft and the second output shaft; and