Double Column Stacker Crane
Double column stacker crane (also known as a twin-mast or double-mast AS/RS crane) is a high-performance automated storage and retrieval system (AS/RS) designed for ultra-high-bay warehouses exceeding 15–45 m in height. It consists of two parallel vertical masts rigidly connected by a top crossbeam and a horizontal carriage, delivering exceptional torsional stability and load distribution that single-mast cranes cannot achieve.
Engineered for warehouses 15–45+ m tall; dual masts eliminate sway and resonance, enabling safe operation at heights where single-mast cranes fail.
Two parallel vertical masts rigidly linked by a top crossbeam and horizontal carriage provide exceptional load distribution and rigidity, even with 1,500–2,500 kg payloads.
Operates in aisles as narrow as 1.4–1.8 m, maximising storage density (typically >5 pallets per m²) while maintaining full access to both sides of the racking.
Horizontal travel up to 6 m/s and vertical lift up to 2.5 m/s, delivering 150–200 double-cycles per hour per crane for maximum throughput.
Product Parameters
Item | parameter | Item | parameter |
Height | Max 40m | Bearing | Max 5000kg |
Walking speed | 0-200m/min | Walking acceleration | 0.5m/s² |
Lifting speed | 0-60m/min | Lifting acceleration | 0.5m/s² |
Fork speed (full load/empty load) | 40/60m/min | Positioning accuracy | ±3mm |







