Genie S-40 and S-45 telescopic booms use the “four-point” Trax track drive system that reduces damage to sensitive ground surfaces. The S40 Trax has a lift height of 40 ft. and a vertical reach of 31 ft., and the S-45 Trax has a lift height of 46 ft. and a vertical reach of 36 ft. The booms offer traditional front-wheel steering with a 30-degree steer angle. Terex. 203-222-7170. www.terex.com