SGC-250, more affectionately referred to as "Big Carl", is the world's largest crane, and it's now working on its first project: a nuclear plant. Big Carl was designed in-house by Sarens ...

Meet SGC-250 – known as “Big Carl” to his friends – the biggest land-based crane in the world. Fully upright, Big Carl can reach heights of up to 250 meters (820 feet), according to Sarens ...