Patent ID: 7726051

Claim:
A wheeled work machine, comprising: a working equipment that is hydraulically driven; an oil-pressure cut valve adapted to switch between a supply state in which pressurized oil is supplied to the working equipment and a suspension state in which the supply of pressurized oil to the working equipment is suspended; a lock switch that makes the oil-pressure cut valve perform the switching between the supply state and the suspension state; and a control device that controls the switching of the oil-pressure cut valve, wherein the control device includes: lock-state judging means for judging a lock state of the working equipment by considering the status of the lock switch; traveling-state judging means for judging whether or not the work machine is traveling; and alert-issuing controlling means for issuing an alert urging that the working equipment be locked by an operation of the lock switch when the work machine is judged to be traveling by the traveling-state judging means and the working equipment is judged not to be in the lock state by the lock-state judging means.