Tracked crane has side-supports enhancing tipping stability and has upper carriage with first extension arm and counter-balancing arm on chassis

摘要

The crane is designed to move on a pair of endless tracks. It has an upper carriage with a first extension arm and there is a counterbalancing arm (4), which is fitted on a chassis (1). The chassis is linked to and detachable from side-tracks (3). Side supporting arms (7) can be fitted to the tracked section.