An engine operating device (40) of a working machine includes a control assembly (42) installed in a body (12), an operating lever (32) mounted on a handle (22), and an operating cable (46). The control assembly (42) includes a base member (50), a stop switch (52) secured to the base member (50), and a lever member (54) supported by the base member (50). The operating cable (46) includes a throttle wire (78), a stop wire (80), and a cable tube (82) in which the throttle wire (78) and the stop wire (80) are fitted. As the operating lever (32) is moved to an engine stop position, the lever member (54) moves to a release position, causing an engine (13) to stop.
