Massive Backhoe Dredgers
Steven Vale shows some of the world's largest and most powerful hydraulic backhoe dredgers at work on their pontoons. These enormous machines – often adapted mining excavators – serve the needs of ports, deepening their seaways and building new facilities to handle ever-larger cargo vessels.
Runtime: 90 minutes
Release: Jan 01, 2010
IMDb: 0.00/10 by 0 users
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