Mobile straddle transporter on tyres (four units) work in tandem and in pairs to handle and transport precast elements for the construction of a bridge in Seattle.
The particularity of these N.4 Mobile Straddle Transporters MST 100 US ton is the capability of unloading from truck and proceed with launching of the beams in the final position.
Four independent lifting points control pitch and roll during positioning of the beams.