Model BJ-1000 Crawler Spider Crane (10.5T-class, 10500kg self-weight): Multi-Scenario Dominance – handles glass installation, ancient tree relocation, rooftop lifting, all in one! Features 18m max radius, 21m lift height, 5-section 5m boom (5.5m-21m, customizable). 11m/min hook speed, Yunnei engine (electric start, -5℃~40℃, 8L diesel tank). 350mm crawlers, dual-speed hydraulic drive (0-2.5km/h), 25 climbing, 360 continuous slewing. Optional remote control/torque controller/basket. Ideal for diverse lifting tasks – reliable, all-terrain, versatile!