Modern lifting equipment requires more than simply moving a load vertically. Robotic lift axes, AGV and AMR lift modules, semiconductor equipment, inspection platforms, and specialized winches increasingly demand high torque density, precise positioning, low backlash, high rigidity, and compact motion control. A harmonic actuator integrates a harmonic drive with a motor and, depending on the configuration, encoders, brakes, servo drives, and communication interfaces into a compact motion module. This article explores how harmonic actuators can be applied to different lifting systems and why their combination of precision, torque density, rigidity, and integration makes them suitable for automated lifting and positioning applications.