The truss structure features an open design, reducing wind resistance and overall weight without compromising load-bearing capacity. The metal structure has a clear stress distribution, facilitating daily maintenance and inspection. Single or double main beam configurations can be selected according to working conditions, and it can be equipped with an electric hoist or trolley for lifting operations.
Truss type gantry cranes can be divided into two structural forms: single-girder and double-girder. These two types differ in terms of load capacity, span adaptability, operating efficiency, and applicable scenarios. When selecting a crane, factors such as lifting capacity, span size, frequency of use, and investment budget should be considered comprehensively. The following is an introduction to the two types
Single girder truss gantry cranes are primarily used for material lifting and handling in steel mills, ports, stockyards, and various outdoor workplaces. This crane features a single-girder truss structure, resulting in a lightweight design and optimized stress distribution. While ensuring lifting capacity, it reduces structural weight and operating energy consumption. It is suitable for continuous operation in environments requiring medium lifting capacities and large spans. The crane can be customized according to lifting capacity, span, lifting height, and site conditions.
The heavy duty truss gantry crane is used for lifting operations in steel mills, ports, shipyards, and large outdoor engineering projects. The crane features a double-girder truss structure, offering strong load-bearing capacity and high overall stability, making it suitable for heavy loads, long spans, and high-frequency operation. It can operate continuously for extended periods and is adaptable to outdoor environments and complex working conditions. The crane can be customized according to lifting capacity, span, lifting height, and on-site operating conditions.
Truss gantry cranes have a stable structure and strong load-bearing capacity, making them suitable for heavy-duty and outdoor working environments. The following are the core components of a truss gantry crane:
Main Beam (Truss Beam): The main beam is the primary load-bearing structure of the crane. Its high-strength truss design makes it lightweight yet strong, capable of handling large and heavy materials, and suitable for large-span operations.
Hoisting Mechanism: Composed of a motor, reducer, drum, and wire rope, this mechanism is responsible for lifting and lowering materials. The hoisting mechanism operates smoothly and has reliable braking, meeting the requirements of heavy-duty and frequent operations.
Trolley: Mounted on the main beam, the trolley moves smoothly along the beam, allowing for lateral movement of materials, facilitating precise positioning and loading/unloading operations.
Legs and Traveling Mechanism: The legs support the entire structure, and the traveling mechanism, through wheel sets, runs on ground rails, enabling the crane to move longitudinally along the working area. This is suitable for large sites and outdoor working environments.
The industrial truss gantry crane facilitates the lifting and movement of materials within the working area through the coordinated operation of the lifting mechanism, trolley traversing mechanism, and gantry traveling mechanism. The lifting mechanism is responsible for raising and lowering the materials; the trolley moves along the main beam to adjust the lateral position of the materials; and the entire crane travels on ground rails via the traveling mechanism, enabling longitudinal transportation.
The lightweight truss main beam structure allows the crane to operate more stably under large spans and heavy loads. Each operating mechanism is driven by a motor, and their movements are coordinated by a control system, enabling the smooth and safe lifting, movement, and precise positioning of materials. This type of crane is suitable for use in steel mills, ports, and large outdoor operations.
The specifications and configuration of an industrial truss gantry crane affect its load capacity, working range, and application scenarios. Based on the lifting capacity, span, working height, and work intensity requirements of different projects, the crane’s structural form and technical parameters can be adjusted. The following are common specifications and parameters.
| Item | Specification |
|---|---|
| Lifting Capacity | 5–300 tons (customizable) |
| Span | Up to 40 m (customizable) |
| Lifting Height | Designed according to site requirements |
| Working Duty | A3 |
| Girder Type | Single Girder / Double Girder Truss |
| Structure | Truss type steel structure |
| Traveling Speed | Customized according to operation needs |
| Lifting Speed | Variable speed, heavy-duty design |
| Power Supply | 380V / 50Hz / 3 Phase (customizable) |
| Control Method | Pendant control / Remote control / Cabin control |
| Working Environment | Steel plants, ports, shipyards, outdoor yards |
Truss gantry cranes are primarily used in various heavy industrial settings such as steel mills and ports, performing lifting and handling of materials under heavy load and continuous operation conditions. They have a stable structure and are suitable for large spans and outdoor working environments. Common applications include:
For more information on precast gantry cranes used in highway bridge construction, see: Precast Gantry Crane for Bridge Beam Handling and Precast Construction






Gantry cranes must be inspected regularly during operation to ensure safe use. For a detailed inspection checklist, see the article: “Gantry Crane Inspection Checklist: Daily, Monthly, and Annual Inspection Guide.”
Truss gantry cranes can be custom-designed to meet specific operational needs and site conditions. A proper configuration not only improves operational efficiency but also ensures stable equipment operation and extends its service life. Common customization options include:

Weihua is a professional manufacturer and supplier of truss gantry cranes, with over 37 years of experience in lifting equipment production. We have supplied a large number of gantry cranes to industries such as ports, shipyards, and steel yards, accumulating extensive project experience.
All truss-type gantry cranes are manufactured in accordance with international standards and have passed CE and ISO certifications. Our products have been exported to many countries and regions, and have demonstrated stable performance in on-site use.
Weihua has a professional engineering team that can provide selection and technical solutions during the initial project phase. We provide installation guidance and technical support after the equipment arrives on site, with a one-year warranty. Please contact us if you require a customized solution.


Weihua, founded in 1988, has evolved into a global leader in China's intelligent manufacturing field. We specialize in smart crane R&D and production while offering AGV solutions. Our professional engineering, delivery, and after-sales teams provide one-stop technical support, customized solutions, on-site installation guidance, and rapid-response global services to ensure every project operates safely and efficiently.
The maximum lifting capacity can reach 500 tons, and it can be customized according to specific needs and operating conditions.
Yes, the truss gantry crane can be designed for outdoor use, with windproof, corrosion-resistant, and weather-resistant features.
Installation time depends on the crane specifications and site conditions. Generally, a medium-sized crane can be installed in a few days to two weeks.
Steel mills, ports, shipyards, heavy equipment manufacturing, and large-scale outdoor engineering projects.
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