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You see cranes that large quite a bit in the oilfield, windfarm construction, etc. as JR mentioned cranes are arong straight up but when you have to reach out they get weaker. Thus to be able to reach some places they have built some crazy strong cranes out of necessity. When you get to talking about booms in the hundreds of feet long, things get big, and spendy. My dad regularly rents 90T rates cranes just because that’s what the local crane service has. They are like $400/hour though. That same company has a few that are rated up to 550t!
Go check out Grove Cranes. They make some crazy stuff!
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