Work machine for lessening damage resulting from an object coming into contact with work portion

A work machine comprising:

• an engine;
• a work portion driven by the engine;
• and
• a control portion configured to control the engine,
• wherein the control portion including:
• a storing portion configured to store, when the engine has stopped, stop information indicating a reason that the engine has stopped;
• a determination portion configured to determine, when a request to restart the engine is made, whether or not the reason indicated by the stop information stored in the storing portion is a reason related to locking of the work portion;
• and
• a setting portion configured to set an operation mode of the engine and the work portion to a safe mode if the determination portion determines that the reason indicated by the stop information is a reason related to locking of the work portion,
• wherein the safe mode is an operation mode for lessening damage to the engine and the work portion resulting from an object coming into contact with the work portion.