A power feed system of an electrically driven construction machine that can enhance the work efficiency of the electrically driven construction machine while preventing damage to a power feed cable is provided. The power feed system includes a cable drum f...

Provided is a work machine with a display device capable of reducing the usage of the capacity of a memory without increasing the cost while realizing display using image data in which the sharpness when being displayed is ensured. A hydraulic excavator 1 ...

A learning diagnostic system for a working machine is capable of making a fault diagnosis of the working machine universally relative to various types of sensor information, and preventing a failure in the working machine by enabling a fault diagnosis even...