JLG X770AJ is a 77′ 5″ platform height articulating boom lift with compact crawler base. Unit has 43′ of reach, is 39″ wide in travel mode and weighs 9,665 lbs. To operate you have an outrigger base with two main settings. Full outriggers require a 14′ 6″ X 14′ 3″ area. The narrow outrigger setting requires a 19′ 2″ X 9′ 3″ base.