Working machine

A working machine comprising:

• a machine body;
• a working device attached to the machine body, the working device being operable to:
• attach thereto an attachment which is one of a plurality of attachments to perform work;
• and
• change a posture of the attachment attached thereto including a position of the attachment in an up-down direction;
• a work manual operator to be operated to actuate the working device to change the posture of the attachment;
• a first input interface to receive input of information relating to the attachment attached to the working device;
• and
• a controller configured or programmed to control the working device;
• wherein
• the controller is configured or programmed to:
• based on the information inputted via the first input interface, define a work posture range for the work performed by the attachment and a travel posture range for the machine body to travel, the travel posture range differing from the work posture range;
• and
• when the work manual operator is operated to actuate the working device and the posture of the attachment changes to a posture falling within the travel posture range or the work posture range, stop actuating the working device even while the work manual operator is being operated.