The JLG 600AJ-D is a diesel-powered articulating boom lift known for its reach and versatility. It features a working height of approximately 66 feet and a horizontal outreach of about 39 feet. This model is designed for rough terrain with an oscillating axle and full-time positive traction, providing stability and maneuverability on uneven surfaces. It also offers JLG's Advanced Design Electronics system, improving machine performance and diagnostics.