It isn't, though, it's a real machine, and check out this wonderful article on Jalopnik about its recent activity off the coast of Georgia: A Chain Just Cut Through A Capsized Cargo Ship Filled With Cars And The Process Is Fascinating
They're right: it IS fascinating!
You'll want to read the entire article, but to stimulate your appetite, look at this amazing picture of a "slice" of the salvaged MV Golden Ray on the recovery barge, with all those cars still packed inside:
Reading through the entire St. Simons Sound Incident Response website is just the way to make the hours pass. Amazing!