Truss type road construction gantry crane is suitable for handling, lifting and transport on highways, railway bridges and other construction sites. Its main girder is primarily designed with a triangular truss structure. Upper chord uses H-steel adding welding core board, lower chord uses U-steel adding welding core board. Web member using double U-steel buckled relatively. Main girder is divided into sections; Joints are connected by pin roll. Branch legs use tubular steel legs structure. Its tubular steel legs are connected using bars to form a stable triangular structure.

This truss type road construction gantry crane is composed by bridge frame, crane travelling mechanism, trolley, electrical equipment and other components. All agencies are operated in the control room. The crane has two conductive forms: by electric cable or by slide wire.