SKG crawler cranes, Chelyabinsk

The SKG-631 mounting crane with a lifting capacity of 63-100 tons, depending on the boom equipment and the weight of the counterweight, is equipped with a diesel-electric drive and is designed to perform construction and installation, loading and unloading operations at construction sites.
The maximum boom design is a 37.7—meter-long boom and a 7-meter-long mounting (rigid) jib. The BSO boom is 37.7 meters, the maneuvering jib is 29.2 meters. With a boom of 12 m, the crane has a maximum lifting capacity of 100 t, with a lifting height of 11.3 m; with a crane with a boom of 17.6 m, its lifting capacity is 63 t. The 17.6 m long boom is the main one for the SKG-631 crane.