Electric working machine

An electric working machine includes a motor, a circuit board, a housing, at least one elastic member, and a filler. The circuit board is provided with a heating element which is driven by the motor to generate heat. The case is provided with a heat dissipation part thermally coupled to the heat generating element, and accommodates the circuit board therein. The at least one elastic member is provided at a position between the circuit board and the housing, and is housed in the housing. The filling material is filled in the housing and fixes the circuit board and the at least one elastic member in the housing. 电动作业机具备：马达、电路基板、壳体、至少1个弹性部件、以及填充材料。电路基板安装有：因为马达进行驱动而产生出热的发热元件。壳体具备与发热元件进行热耦合的散热部，并且将电路基板收容于内部。至少1个弹性部件设置于电路基板与壳体之间的位置，并且被收容于壳体内。填充材料被填充于壳体内，并且将电路基板以及至少1个弹性部件固定于壳体内。