A hydraulic excavator, comprising: a revolving upperstructure; a plurality of monitoring cameras (15, 15F, 15B, 15L, 15R) that are respectively configured to have fields_of view covering surroundings of the hydraulic excavator; a display controller adapted to generate a display image from images captured by the plurality of monitoring cameras (15, 15F, 15B, 15L, 15R) and including an image generating unit (31, 32) that generates, using the images captured by the plurality of monitoring cameras (15F, 15B, 15L, 15R), top view images looking downward from above; a monitor adapted to display the display image generated by the display controller; an icon-image generating unit that generates an icon image representing a plane of the hydraulic excavator with at least an outline thereof being shown in a graphic form; and an image compositing unit that performs composite processing to display the top view images around the icon image; a display image generating unit is adapted to generate the display image such that the top view images include a part of a section hidden within a display region of the icon image; characterized in that a catwalk is provided to jut outward from the revolving upperstructure along a side of the revolving upperstructure; a ladder is connected to the catwalk; support arms respectively configured to support each of the plurality of monitoring cameras (15F, 15B, 15L, 15R); the plurality of monitoring cameras (15F, 15B, 15L, 15R) are respectively mounted at distal ends of each of the support arms and are further configured to have their fields of view covering an area below the catwalk, and an area below the ladder a revolving upperstructure; a plurality of monitoring cameras (15, 15F, 15B, 15L, 15R) that are respectively configured to have fields_of view covering surroundings of the hydraulic excavator; a display controller adapted to generate a display image from images captured by the plurality of monitoring cameras (15, 15F, 15B, 15L, 15R) and including an image generating unit (31, 32) that generates, using the images captured by the plurality of monitoring cameras (15F, 15B, 15L, 15R), top view images looking downward from above; a monitor adapted to display the display image generated by the display controller; an icon-image generating unit that generates an icon image representing a plane of the hydraulic excavator with at least an outline thereof being shown in a graphic form; and an image compositing unit that performs composite processing to display the top view images around the icon image; a display image generating unit is adapted to generate the display image such that the top view images include a part of a section hidden within a display region of the icon image; characterized in that a catwalk is provided to jut outward from the revolving upperstructure along a side of the revolving upperstructure; a ladder is connected to the catwalk; support arms respectively configured to support each of the plurality of monitoring cameras (15F, 15B, 15L, 15R); the plurality of monitoring cameras (15F, 15B, 15L, 15R) are respectively mounted at distal ends of each of the support arms and are further configured to have their fields of view covering an area below the catwalk, and an area below the ladder