An electric work vehicle comprising: a vehicle body having traveling wheels (11, 12); a pair of left and right front wheels (11, 11) included in the traveling wheels (11, 12) and configured as caster type driven wheels; a traveling motor capable of driving the traveling wheels (11, 12); a battery unit having, at one end portion thereof, a pair of left and right leg wheels, the battery unit being detachably attachable to a battery storage section of the vehicle body and being capable of supplying electric power to the traveling motor; a pair of left and right front wheel support portions (10B, 10B) provided at front portions of the vehicle body and capable of pivoting the pair of left and right front wheels (11, 11) respectively along a vertically oriented axis; wherein the battery unit, when detached from the battery storage section, is posture-switchable between a flat placement state in which the leg wheels and the other end portion thereof opposite to the side on which the leg wheels are located are placed in contact with the ground surface and a tilted state in which the battery unit can stand on its own with the other end portion thereof being located higher than the leg wheels; characterized in that: in an area of the battery unit on the side on which the other end portion is located, there is provided a lift-up member capable of lifting up one end side of the vehicle body; engaging portions (10e, 10e) are provided in the pair of left and right front wheel support portions (10B, 10B) and are engageable with the lift-up member; second leg wheels are provided in the battery unit and are configured to maintain the tilted state of the battery unit by being placed on the ground surface; stays provided in the battery unit and disposed in the periphery of the pair of left and right leg wheels, the stays allowing inserting of holder tools therethrough; and wherein the battery unit is configured to be maintained under the tilted state, with the holder tools being inserted in the stays and with the left and right leg wheels and the second leg wheels being prevented from rolling on the ground surface. a vehicle body having traveling wheels (11, 12); a pair of left and right front wheels (11, 11) included in the traveling wheels (11, 12) and configured as caster type driven wheels; a traveling motor capable of driving the traveling wheels (11, 12); a battery unit having, at one end portion thereof, a pair of left and right leg wheels, the battery unit being detachably attachable to a battery storage section of the vehicle body and being capable of supplying electric power to the traveling motor; a pair of left and right front wheel support portions (10B, 10B) provided at front portions of the vehicle body and capable of pivoting the pair of left and right front wheels (11, 11) respectively along a vertically oriented axis; wherein the battery unit, when detached from the battery storage section, is posture-switchable between a flat placement state in which the leg wheels and the other end portion thereof opposite to the side on which the leg wheels are located are placed in contact with the ground surface and a tilted state in which the battery unit can stand on its own with the other end portion thereof being located higher than the leg wheels; characterized in that: in an area of the battery unit on the side on which the other end portion is located, there is provided a lift-up member capable of lifting up one end side of the vehicle body; engaging portions (10e, 10e) are provided in the pair of left and right front wheel support portions (10B, 10B) and are engageable with the lift-up member; second leg wheels are provided in the battery unit and are configured to maintain the tilted state of the battery unit by being placed on the ground surface; stays provided in the battery unit and disposed in the periphery of the pair of left and right leg wheels, the stays allowing inserting of holder tools therethrough; and wherein the battery unit is configured to be maintained under the tilted state, with the holder tools being inserted in the stays and with the left and right leg wheels and the second leg wheels being prevented from rolling on the ground surface.