2015 SKYJACK, SJ3220 Lifts - Scissor Lifts - Slab, This Skyjack SJ3220 electric scissor lift is for sale. Features include: 20' platform height, non-marking tires, 800 lb lifting capacity, and electric extension deck. Like every used Skyjack scissor lift for sale at Alexander Equipment, this one has been safety inspected.Serial Number: