Ursa Major (dragline)
Encyclopedia
The 'Ursa Major' is the largest dragline
currently in use in North America. Its bucket is 160-cubic yards, and has a 360 foot boom. It weights a little less than 15 million pounds.
Dragline excavator
A dragline excavator is a piece of heavy equipment used in civil engineering and surface mining.In civil engineering the smaller types are used for road, port construction, and as pile driving rigs. The larger types are used in strip-mining operations to move overburden above coal, and for...
currently in use in North America. Its bucket is 160-cubic yards, and has a 360 foot boom. It weights a little less than 15 million pounds.