The Skyjack SJ20 is a self-propelled aerial lift designed for indoor and outdoor access tasks requiring vertical reach and compact maneuverability. As part of Skyjack's aerial lift lineup, the SJ20 is commonly used for maintenance, installation, and facility work in warehouses, commercial buildings, and industrial sites. It features a narrow chassis for navigating confined spaces and a working platform suited to elevated personnel access. The SJ20 is typically classified as a scissor lift or vertical mast-style aerial work platform, depending on configuration and market. It is used where stable, elevated access is needed for routine service and construction applications.