Electric work vehicle

An electric work vehicle comprising:

• an upper structure;
• a work device which is attached to the upper structure;
• a counter weight which is disposed at the rear of the upper structure;
• an engine room which is disposed in front of the counter weight;
• a first vertical rib and a second vertical rib which are provided on the main frame so as to extend in parallel with each other in a front/rear direction so that a region on the main frame is divided into three regions consisting of a center region which is formed between the first vertical rib and the second vertical rib, a first side region which is located on an opposite side to the second vertical rib with interposition of the first vertical rib, and a second side region which is located on an opposite side to the first vertical rib with interposition of the second vertical rib;
• a slewing motor which slews the upper structure, which is disposed in the center region of the three regions on the main frame and which includes an electric motor;
• and
• an inverter for controlling the electric motor;
• characterized in that:
• the inverter is disposed on the main frame and in front of the engine room so as to be located in the first side region or the second side region and near the electric motor included in the slewing motor.