WORK MACHINE

Mounting of a cover member (26) is made easy. [0002] A working machine (1) includes: a machine body (2); a frame member (206) supported on the machine body (2); a cover member (26) which covers one or more apparatuses mounted on the machine body (2); and a hinge (226) with which the cover member (26) is swingably supported on the frame member (206), wherein the cover member (26) includes a connector plate (668) attached to the hinge (226), the hinge (226) includes: a movable arm (659) which is supported on the frame member (206) such that the movable arm (659) is swingable up and down; a mounting plate (663) which is fixed on a swinging end of the movable arm (659); and a mounting bolt (669A) with which the connector plate (668) is attached to the mounting plate (663), the mounting plate (663) has a hole (664) for insertion of the mounting bolt (669A), the hole being an elongated hole including: a mounting area (666) through which the mounting bolt (669A) is passed to attach the connector plate (668) to the mounting plate (663); and a guiding area (667) which extends from the mounting area (666) to guide the mounting bolt (669A) therethrough, and the guiding area (667) extends upward from the mounting area (666) when the movable arm (659) is in an upward swung position.