The Genie Z-40/23 N and Z-40/23 N RJ electric articulating boom lifts offer quiet, emission-free operation in the most sensitive work environments. It is perfect to work in congested areas with 4 ft 11 in (1.50 m) wide chassis and 2 ft. 8 in. (87 cm) turning radius. Proportional lift and drive controls for precise adjustments in tight areas. With 30% gradeability drive performance and 4.0 mph travel speed, it has 34 V three-phase AC drive system contains fewer parts and simplifies maintenance.