HT132 RTJ PRO telescopic boom incorporates our latest innovations to offer you the safest solutions on the market for working at heights, increase the productivity of your construction sites and optimize the uptime of your machines.. HT132 RTJ telescopic boom is equiped with an oscillating axle which adjusts the position of the axle to adapt to the terrain and keep the wheels in contact with the ground. In 4-wheel steering mode, the turning radius is shortened, enabling you to maneuver in tight or congested spaces.