Who makes truss gantry cranes, what sets them apart, and how to evaluate them for your project
Truss gantry crane manufacturers specialize in open-web lattice portal structures that reduce dead weight by 30–40% versus box-girder equivalents at the same span — critical for road-portable, temporary, and rail-free outdoor applications. Leading producers include Henan Dafang Crane, Weihua Group, Nucleon Crane, and European specialists.
What Is a Truss Gantry Crane?
A truss gantry crane replaces the solid box-section main girder of a standard gantry with an open-web lattice frame — triangulated steel members that carry bending loads through axial tension and compression rather than shear. This structural approach cuts dead weight by 30–40% at the same span and rated capacity, which directly reduces the portal leg load, wheel pressure, and civil foundation requirement.
MH Truss Type Single Girder Gantry Crane Structure
MG Truss Type Double Girder Gantry Crane Structure
The weight saving matters most in three scenarios: outdoor yards without a permanent rail installation, temporary construction or maintenance sites, and locations where the ground bearing capacity limits what a heavier box-girder crane can impose.
Consequently, truss gantry cranes are common in precast yards, shipbuilding pre-assembly, open-air logistics, and infrastructure construction. For buyers considering alternatives, Double Girder Gantry Crane covers box-section designs suited to higher duty cycles and permanent indoor installations.
Top 10 Truss Gantry Crane Manufacturers
The following ten manufacturers have documented production capability and export records in truss gantry cranes. Chinese producers dominate mid-market volume; European brands lead on automation and standards depth:
| Manufacturer | HQ | Capacity Range | Key Strength | Certifications |
|---|---|---|---|---|
| Henan Dafang Heavy Machine Co., Ltd | China (Henan) | 1–200 ton | Full custom CE engineering; cold-climate spec; 20 yrs exp. | CE / ISO 9001:2015 / FEM 1.001 |
| Weihua Group | China (Henan) | 1–500 ton | Large domestic volume; broad crane portfolio | CE / ISO 9001:2015 |
| Nucleon Crane | China (Henan) | 1–300 ton | Fast standard-config delivery; strong export record | CE / ISO 9001:2015 |
| Dejun Crane | China (Shandong) | 1–100 ton | Competitive pricing; truss specialisation | CE / GB/T 14406 |
| Kunfeng Heavy Industry | China (Henan) | 5–200 ton | Heavy truss gantry for mining and yard | CE / ISO 9001:2015 |
| Shanqi Heavy Crane | China (Shanxi) | 5–160 ton | Coal and mining truss gantry expertise | CE / GB/T |
| GH Crane & Components | Spain | 0.5–80 ton | European-spec truss design; EU market focus | CE / ISO / FEM |
| Verlinde (Manitowoc) | France | 0.5–100 ton | Modular truss portal; EU automation option | CE / ISO / FEM 1.001 |
| Konecranes (light range) | Finland | 1–80 ton | Maintenance-as-a-service; EU safety standards | CE / ISO / EN 13001 |
| Street Crane | UK | 0.5–100 ton | British-made; bespoke truss gantry; AS/BS spec | CE / BS / ISO |
Manufacturer data reflects publicly available information as of 2025–2026. Capacity ranges and certifications may vary by model. Dafang entry reflects direct manufacturing and 19-year export record. Verify certifications by requesting sample CE documentation before order placement.
How Truss Gantry Crane Manufacturers Differ?
Manufacturer capability separates along four dimensions that procurement teams should probe directly:
Structural Engineering Depth
A truss gantry crane requires joint design, welded or bolted node geometry, that a box-girder fabricator cannot simply replicate. The triangulated frame must distribute dynamic loads across each member without fatigue cracking at the connection plates. Manufacturers with dedicated truss design capability produce finite element analysis (FEA) reports per FEM 1.001 or EN 13001-2; those without rely on empirical sizing. Request calculation documentation before accepting a quote.
MH Box VS MH Truss Gantry Crane
MG Box VS MG Truss Gantry Crane
Certification Coverage
CE certification under Machinery Directive 2006/42/EC is the baseline for international export and EU-market projects. Beyond CE, FEM 1.001 structural classification, ISO 3834-2 welding quality, and ISO 4301 duty class documentation indicate a manufacturer's engineering rigour. Some projects additionally require ATEX explosion-proof classification — verify early, as not all truss crane producers offer this configuration.
Span and Capacity Range
Truss gantry cranes typically cover 5–200 ton and spans of 12–40 m. Manufacturers who produce across this full range — rather than specialising in light or heavy ends only — generally carry deeper structural engineering teams. However, for very large capacities above 150 ton, box-girder designs often become structurally more efficient; ask the manufacturer to justify the truss choice at your specific load and span combination.
Logistics and After-Sales
Truss frames disassemble into sections more readily than box girders, simplifying container shipping for export orders. Verify that the manufacturer provides erection drawings, bolt torque specifications, and site supervision support — particularly for first-time buyers who lack in-house crane erection experience.
Why Dafang Is a Trusted Truss Gantry Crane Manufacturer?
Henan Dafang Crane has manufactured truss and box-girder gantry cranes since 2006, delivering units to precast yards, construction sites, rail terminals, and outdoor fabrication facilities in more than 30 countries. Three specific capabilities differentiate Dafang in this product category:
- Full custom engineering — span, leg height, truss member section, and node geometry are designed to the client's site dimensions and load case, not adapted from a fixed catalogue. FEA output and structural calculation report ship with every CE-certified order.
- Cold-climate specification — truss node weld details and member steel grade (Q355D/E per GB/T 1591, Charpy-tested to -40°C) are available as standard for northern-climate projects, covering mining and infrastructure sites where standard Q235B becomes brittle.
- Complete documentation package — CE Declaration of Conformity (Machinery Directive 2006/42/EC), ISO 9001:2015 quality certificate, FEM 1.001 structural calculation, ISO 3834-2 weld inspection records, factory load test certificate, erection drawings, and bilingual O&M manual ship with every unit.
Choose Dafang's Truss Gantry Crane for full technical specifications, and contact Dafang Team to explore the broader lifting equipment range.
Leading Truss Gantry Crane Supplier In China-Dafang Crane
Henan Dafang Crane designs and manufactures truss gantry cranes, box-girder gantry cranes, double girder overhead cranes, and port lifting equipment. Dafang is a professional truss gantry crane manufacturer in China. Dafang serves clients in construction, precast, logistics, mining, and marine sectors across the world.
Contact the Dafang engineering team for span and load calculations, truss node design review, or a full project proposal.
Frequently Asked Questions
What is the main advantage of a truss gantry crane over a box-girder design?
A truss frame weighs 30–40% less at the same span and rated capacity. Lower dead weight reduces foundation load, wheel pressure, and civil cost — critical for temporary sites, weak ground, or road-portable installations where box-girder cranes are impractical.
Which certification should a truss gantry crane carry for international projects?
CE certification under Machinery Directive 2006/42/EC is the international baseline. Additionally request FEM 1.001 structural calculation documentation, ISO 3834-2 weld inspection records, and an ISO 4301 duty class report — these confirm the engineering behind the CE mark.
Can a truss gantry crane be disassembled and relocated?
Yes — this is a key operational advantage. Bolted truss connections allow field disassembly into transportable sections without cutting. Dafang provides bolt torque specifications and erection sequence drawings to support site reassembly without specialist crane engineering on site.
How do Chinese truss crane manufacturers compare to European brands on quality?
CE-certified Chinese manufacturers design to the same FEM 1.001 and ISO 4301 structural standards as European brands. The practical gap, where it exists, relates to after-sales response time and documentation depth. Verify by requesting a sample CE declaration and FEA report before committing to an order.
What span range is practical for a truss gantry crane?
Truss gantry cranes are most structurally efficient at spans of 12–40 m. Below 12 m, box-girder is simpler and similarly cost-effective. Above 40 m, truss becomes complex to erect; shipbuilding gantry crane designs with box girders regain the structural efficiency advantage.
