Patent ID: 6856879

Claim:
A work machine managing system comprising: a work machine to operated by a driver to perform a predetermined work; a terminal device for managing the work machine; and communication means provided in the work machine and the terminal device for transmitting information between the work machine and to the terminal device, such that the work machine is managed by the terminal device on the basis of information transmitted from the work machine to the terminal device, wherein the work machine comprises: driver identification data input means for inputting, at an operating start time of the work machine, driver identification data for identifying the driver; operating time measuring means for measuring an amount of time the work machine has been operating as an operating time; and timekeeping means for noting a date and a time, as timekeeping results, when the driver identification data are inputted, wherein the terminal device comprises a display, and wherein when the driver identification data inputted to the driver identification data input means, the operating time measured by the operating time measuring means, and the timekeeping results of the timekeeping means, are transmitted from the work machine to the terminal device, the driver identification data are displayed on the display of the terminal device in accordance with an operation time zone of which the work machine has been operated from the date and the time the driver identification data was inputted.