Swivel working machine

A swivel working machine comprising:

• a swivel base;
• a working device provided on the swivel base;
• an exterior cover to define a space where one or more devices are provided on the swivel base;
• an inspection door openably and closably provided in the exterior cover and including an air exit portion;
• a cooler including a fan to discharge cooling air sucked from an interior of a machine body toward the air exit portion and a heat exchanger to cool a to-be-cooled target using cooling air sucked by the fan;
• and
• a shroud to surround the fan and guide cooling air generated by the fan;
• wherein
• when the inspection door is in a closed state, a duct to guide cooling air generated by the fan to the air exit portion is defined by an opening edge portion of the shroud making contact with a portion of the inspection door that surrounds the air exit portion.