AXIALE Boom 36-38 Range | Equipment AXIALE BOOM In the 36 and 38 m version, the AXIALE boom (2 steel arms) also has a triangular structure. It is also fitted with pendulo-axiale suspension as standardAxiale suspension enables remarkable vertical stability, especially on turns, and a very good performance on sloping terrain thanks to its central pivot suspension system. As for pendular suspension , this provides very good performance on ru