The 3-ton crawler spider crane is a miniature fully-hydraulic telescopic crawler crane. Due to its four independently extendable and foldable hydraulic legs resembling the limbs of a spider, it is named the Spider Crane. Core positioning: A specialized lifting equipment for narrow spaces, solving the lifting problems that ordinary truck cranes and large cranes cannot handle when entering indoor areas or narrow passages. 3 tons crawler spider crane basic parameters norm 3T