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Gantry Crane

Portal cranes for outdoor lifting and heavy yard operations — no runway support structure required.

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Gantry Crane

Gantry / Portal Crane

The SIEC gantry crane (also called a portal crane) is a self-supporting lifting system with legs that travel on ground rails or rubber tires. It requires no building-mounted runway, making it the ideal solution for outdoor yards, storage areas, and locations without existing crane infrastructure.

Available in single-girder and double-girder configurations, with capacities from 5 to over 100 tons and spans up to 40 meters. The gantry crane family also includes the portable Light Aluminum Gantry for lightweight maintenance tasks.

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Technical Specifications

Standard parameters for gantry cranes

Parameter Standard Gantry Light Aluminum Gantry
Lifting Capacity5 – 100+ tons0.25 – 2 tons
Span5 – 40 m2 – 5 m
Lifting Height6 – 20 m2 – 5 m
Working DutyA5 – A8A3 – A4
Main MaterialSteel box / truss girderAluminum alloy
Travel TypeRail-mounted / Rubber-tyredCaster wheels (manual)
Hoist TypeElectric wire rope hoistChain hoist (manual/electric)
Control ModeRemote / Cabin / PendantManual / Pendant
Power Supply380V – 690V, 3-PhaseSingle-phase or manual
ApplicationOutdoor yards, ports, stockyardsPortable maintenance, workshops

Key Features

Why choose our gantry crane

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Self-Supporting Structure

No building runway beams or columns required. The crane stands on its own legs — ideal for outdoor and temporary sites.

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Large Span Capability

Spans up to 40 meters provide wide coverage for stockyards, container depots and precast concrete yards.

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All-Weather Operation

Weatherproof design with corrosion protection and sealed electrical enclosures for reliable outdoor performance.

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Flexible Mobility

Choose rail-mounted (RMG) for precise fixed-path travel or rubber-tyred (RTG) for maximum yard flexibility.

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Light Aluminum Option

Portable aluminum gantry for quick setup maintenance tasks. Light enough for one person to assemble and move.

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Safety Systems

Wind sensors, anti-collision, overload protection, and travel limit switches for safe outdoor operation.

Applicable Industries

Where gantry cranes are deployed

⚓ Ports & Terminals

Container handling, bulk cargo loading/unloading, and general yard operations at seaports and inland waterways.

🏗ïļ Precast Concrete Yards

Handling wall panels, floor slabs, beams, columns and pipe piles in precast concrete production and storage yards.

ðŸŠĻ Steel Stockyards

Coil, plate, bar and structural steel storage and retrieval in steel service centers and distribution yards.

â™ŧïļ Scrap & Recycling

Scrap metal handling, bale stacking and material sorting in recycling facilities and scrap yards.

🚜 Construction Sites

Equipment assembly, material storage and heavy component handling at large-scale construction projects.

🔧 Maintenance Depots

Portable aluminum gantry for light maintenance, pump repair, and on-site equipment servicing.

Get a Quote — Gantry Crane

Share your yard layout and lifting needs — our engineers will design the perfect gantry solution.

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SIEC Cranes — ZHE JIANG XIECHENG CRANE MACHINERY CO.,LTD.
Email: siec@siec-cranes.com | Tel/WhatsApp: +86 13136173663