| 摘要 |
An engine control device is adapted to be used for a construction machine equipped with an engine, a hydraulic pump to be driven by the engine, a revolving motor for revolving an upper structure by means of hydraulic oil to be supplied from the hydraulic pump, and a revolving operation lever for executing an operation of revolving the upper structure. The engine control device includes an operation amount detection unit configured to detect an operation amount of the revolving operation lever, and a control unit configured to increase a maximum engine speed when a result of detection by the operation amount detection unit is greater than a predetermined threshold.
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