articulated vehicles in lumenRT

to animation for Bratislava city I needed  to model of tram Skoda T30 , so I created it in MicrostationV8i  and without any problems I prepared an animation of tram , it is modern tram ,4 joints, articulated tram with no problem in animation in Microstation ,

and now I need to put it as articulated vehicle in LumenRT any idea how to make it ?