Work machine

A work machine comprising:

• a machine body;
• a cover that constitutes an exterior of the machine body;
• an openable/closable door that is provided in the cover and includes a door body and a hinge that includes a first shaft pivotably supporting the door body on the cover;
• and
• a lock mechanism that is capable of holding the openable/closable door in an opened state, wherein
• the lock mechanism includes
• a second shaft that has an axis parallel to an axis of the first shaft and that is fixed to the door body,
• an engaging member that is swingably supported by the second shaft, and
• an engaged member that is fixed to the cover, wherein
• the engaging member includes
• a body portion that has a plate shape,
• a shaft hole that is defined in the body portion and through which the second shaft is inserted, and
• a hook portion that is formed at a position separated from the shaft hole in the body portion,
• the second shaft revolves about the first shaft according to pivot of the door body around the first shaft,
• the engaging member swings around the second shaft according to the revolution of the second shaft about the first shaft, and
• the hook portion engages with the engaged member in a state in which the door body is disposed at a predetermined opened position.