三一重工 QY350

This is a 350-tonne class all-terrain crane manufactured by SANY Heavy Industry, widely used in large-scale infrastructure projects such as wind power installation, nuclear power construction, and bridge engineering. 1. Core Technical Specifications 表格 Parameter Detail Max Lifting Capacity 350 tonnes (at minimum radius with fully extended outriggers) Main Boom 6-section full-power telescopic boom Length range: 14.9 m – 70 m Max tip height: ≈72 m Optional Jib Max lattice jib length: 42 m Max system height (main + jib): ≈136 m Drive Configuration Multi-axle (8-axle typical) all-wheel drive for high mobility Operating Weight ≈120 – 150 tonnes (including standard counterweight) Max Counterweight 90 – 100 tonnes (modular design) Outrigger Width ≈8.5 m (fully extended) 2. Power System Prime Engine Model: Cummins QSX15 (6-cylinder diesel engine) Power Output: ≈450 kW (≈600 hp) Function: Provides independent power for both chassis travel and upper hydraulic system (lifting, slewing, luffing). 3. Key Features All-Terrain Mobility: Equipped with multi-axle drive and steering system, enabling high-speed road transportation and adaptability to complex job site conditions. High Stability: Wide outrigger base and sophisticated counterweight system ensure safe and stable operation under heavy loads. Long Reach: Equipped with a long main boom and optional heavy-duty lattice jib, meeting the requirements of ultra-high lifting operations (e.g., wind turbine installation).