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Amphibious excavator : ウィキペディア英語版 | Amphibious excavator
An amphibious excavator is a type of excavator that can perform dredging while afloat in shallow water. An amphibious excavator is better adapted for removing silty clay, clearing silted trenches, swampland operation and low water area, then traditional ship-mounted dredgers. == Walking and working == The amphibious excavator can walk or work in water, because the chassis crawler floats on sealed pontoons. It may swing or even roll over when excavating with no support underneath. It moves using a dual-body boat form buoyancy tank. A reducer drives the crawler chain, allowing free and smooth movement. Its upper structure is a modified excavator that allows 360° full rotation and hydraulic operation.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Amphibious excavator」の詳細全文を読む
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