Largest North American crawler crane fleet The largest crane on the ACT100 is Mammoet's 5,000-ton capacity PTC 200 DS and Sarens' SGC-250, both with 5,000 tons capacity. Other heavy lift cranes include the 3,000-ton capacity Lampson LTL-3000 and the Deep South Crane and Rigging VersaCrane TC36000/2.