Max Climber Model 5700, with double tower system, has platform up to 70 ft long and max working height of 265 ft. Each base unit is powered by 2 x 1.5 kW motors and operates on 230 V, 3-phase power. Mast climbing work platform requires no forklift or crane for installation. It travels at 35 fpm and must be tied in at 20 ft intervals.