Played on an Alpha a few weeks ago , that track is amazing , the mono rail allows the track to walk the terrain and goes places the longer skids go just as easily besides do other things the twin rails can't . The track the Aro 3 uses is quite unique because it does a very good job of climbing on top but you don't want to cross it's trench and has been used for few years now on their other machines , it's the worst for moutain track trenching but that doesn't seem to matter .