| 摘要 |
PURPOSE: A hydraulic shovel used for crane operations as well is provided for an operator to immediately sense the states of an engine and load during crane operations as well as dangerous states occurring on an implement or a vehicle body and accordingly to perform operations in a stable and rapid manner. CONSTITUTION: A hydraulic shovel also used for crane operations comprises an implement including a boom, an arm, a bucket, and a hook, enables crane operations, and installs a monitor device(45) having a monitor screen(44). A parameter display portion(51) for displaying parameters related to load factors of safe working load, an engine condition display portion(52) for displaying engine conditions, and an alarm information display portion(53) for displaying alarm information are provided on the monitor screen during crane operations. Accordingly a plurality of display items of the alarm information display portion enable to be sequentially switched and displayed, and the parameter display portion is turned into an alarm color when the load factor for safe working load is within a dangerous area.
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