Model BJ-1200 12T Crawler Spider Crane (12500kg self-weight): Durability & Endurance – high-strength materials + optimized design extend service life by 30%, perfect for long-term heavy lifting! Boasts 19m max operating radius, 21m lift height, 5-section 5m boom (12.3m/60sec extension, customizable). 10m/min hook speed, Yunnei engine (electric start, -5℃~40℃, 8L diesel tank). 400mm-wide crawlers, hydraulic drive (0-2.5km/h), 25 climbing, 360 continuous slewing. Optional remote control/torque controller/hanging basket. Supports bulk orders, customized configurations – ideal for construction, industrial projects, reliable all-terrain performance!