Transfer vehicle consists of lifting mechanism, walking mechanism and drive and control system. Two hydraulic cylinders drive the box or swing linkage mechanism to lift and lower subsea pipelines.

        Main Technical Specifications:

        Pipe diameter range (including coating outer diameter)：6～60 in

        Pipe segment length：12.2 m

        Maximum pipe weight：400 kN

        Maximum weight capacity of a single equipment：220 kN

        Lateral transfer pipeline distance：4 m

        Walking speed：

        9m/min(larger pipe: weight 20-400 kN)

        30m/min(small pipe: weight 0-200 kN)

        Synchronization accuracy of lifting and lateral transfer terminals：±1mm