Rail Mounted Container Gantry Cranes

Rail‑Mounted Container Gantry Crane (RMG crane) is heavy‑duty rail‑guided container handling equipment for permanent port and intermodal terminals.
Yangyumech, professional Chinese OEM manufacturer, delivers custom‑engineered RMG solutions, supporting manual, semi‑automatic and fully‑automatic operation modes.
Our RMG cranes achieve stacking height up to 7 containers, span exceeding 62 m and outreach up to 12 m.
Equipped with anti‑sway system and simultaneous multi‑drive motion, these rail‑mounted gantry cranes deliver high‑precision, high‑throughput container stacking for seaports, inland dry‑ports and railway intermodal yards.

Description

Typical Application & Working Conditions

Our rail‑mounted container gantry cranes are widely used for:
‑ Seaport container terminals for high‑density container stacking and retrieval
‑ Inland dry‑ports and intermodal railway transfer yards
‑ Large logistics distribution centers and container freight stations

Working duty: A7‑A8 for 24/7 continuous heavy‑duty operation.
Adaptable for harsh open‑air port environments with strong wind conditions.
Support 20′, 40′, 45′ ISO container handling via telescopic container spreader.

Rail Mounted Gantry (RMG) cranes are essential in container handling operations, particularly in ports and large distribution centers. Their design and functionality make them crucial for managing container storage and retrieval efficiently.

Available with stacking heights of up to seven containers high, with custom spans in excess of 62 metres and outreaches up to 12 metres, designed for manual, semi-automatic or automatic operation. Yangyu anti-sway system and simultaneous motion of all drives leads to increased productivity.

Rail Mounted Gantry cranes are integral to container handling in ports and distribution centers. By understanding their operational workflow and employing strategies to enhance efficiency, organizations can achieve greater productivity, reduce costs, and ensure smooth operations. Regular maintenance, technological upgrades, optimized procedures, safety measures, and efficient mobility are all crucial elements in maximizing the performance of RMG cranes. Investing in these areas will not only extend the equipment’s lifespan but also contribute to overall operational excellence.

Custom Purchasing Process

1. Submit inquiry: Provide core parameters: rated lifting capacity, span, outreach, container stacking height, working duty, yard layout, power‑supply mode, manual/semi‑auto/full‑auto requirement, safety & intelligent configuration.
2. Custom technical drawing & quotation: Our port‑crane engineering team delivers tailored solution and formal quotation within 24 working hours.
3. Order confirmation: Confirm drawings, technical specifications, delivery cycle and payment terms.
4. Production & strict quality inspection: Raw‑material inspection, welding NDT non‑destructive test, full‑machine factory acceptance test before shipment.
5. Seaworthy export packaging & ocean shipment: Complete set of export certification documents supplied.
6. After‑sales support: Installation guidance, operation manual, remote technical service and spare‑parts supply.

Features

1. Outstanding anti‑sway performance for stable container handling
2. High‑accuracy spreader positioning without headblock, greatly improves operator visibility
3. No headblock design reduces overall tare weight
4. Higher operational productivity compared with alternative container crane designs
5. Low maintenance workload and spare‑part operating costs
6. Smooth gantry travelling performance
7. Optimized structural design for reliable operation under strong wind port conditions
8. Perfect mechanical foundation for semi‑automatic and fully‑automatic terminal upgrade
9. In‑house engineering capability and reliable after‑sales service
10. Lower long‑term energy consumption
11. Simultaneous multi‑corner drive motion eliminates extra spreader side‑shift requirement

RMG vs RTG: Which Container Crane Fits Your Terminal?

The choice between rail mounted gantry cranes and rubber tired gantry cranes depends on terminal layout, throughput requirements, and automation plans.

Choose RMG cranes if:

– Your terminal requires high stacking density (5–7 containers high)
– Automation or semi-automation is planned or anticipated
– Precise container positioning is critical for throughput
– You want to eliminate tire maintenance and replacement costs
– Reliable power infrastructure is available via cable reel or conductor bar

Choose RTG cranes if:

– Terminal layout requires cranes to switch between yard blocks
– Power infrastructure for rail-mounted systems is not available
– The terminal operates with lower stacking heights (3–4 containers)
– Mobility between work areas is more important than maximum throughput per crane

Many modern terminals use a mixed fleet, with RMG cranes on high-throughput blocks and RTG cranes on lower-density storage areas. Yangyumech manufactures both RMG and RTG container cranes, allowing unified specifications and spare parts across your crane fleet.

Technical Data

ModelLJ35/40-23Light Type LJ40-23
Lifting capacity (without spreader) (t)35,4040
Work levelA7,A8A6,A7
Span (m)23.4723.47
Lifting Height (m)12.2~17.816.5
Stack layer3/4~5/646148
Container size20',40',45'20',40',45'
Spreader rotation angle±5°±5°
Lifting  (m/min)13/26,23/5212/18,18/28
Trolley travelling  (m/min)50,7024
Crane travelling (m/min)Full load-90, no load-130Full load-20, no load-40

Purchasing Process

Our Crane Certifications

Our cranes (overhead crane, gantry crane, jib crane and electric hoist) are fully certified to meet international and local manufacturing standards. We hold complete qualification documents to guarantee product safety and reliable quality for global buyers. Below are our key certifications:

Our Custom Visit

We welcome worldwide customers to visit our manufacturing workshop. You can check crane production processes, raw materials and finished products face‑to‑face with our engineering team.

FAQs About Choosing the Right Gantry Crane and Supplier

In order to obtain accurate quotes for custom overhead cranes, providing the following core information will greatly improve efficiency:

1. Key specifications: including rated lifting weight (tons), span (i.e., track spacing, meters), and lifting height (meters), which is the basis of the design.
2. Use environment and working conditions: Explain the conditions of the installation site (such as indoor/outdoor, temperature, humidity) and work level (busy level), which determines the material selection and configuration level of the structure.
3. Specific configuration requirements: clarify the drive mode (such as frequency conversion control), brand preferences for electrical components, safety devices (such as overload limiters, anti-collision systems), and whether special functions such as remote control are required.
4. Installation and service: confirm the on-site power supply conditions (voltage, frequency), installation conditions, and specific expectations for delivery time, installation and commissioning, and after-sales service.

The more detailed the information provided, the more accurate and reliable the solutions and quotations obtained.

1. Span and lifting capacity: this is the foundation.The larger the span and the higher the rated lifting weight, the material and design costs of the main beam and structure will increase significantly, and the higher the price.

2. Working level and frequency of use: The working level (A1-A8) represents the busy level and load status of the crane.Cranes with frequent and heavy-duty use require more durable motors, gearboxes and structural parts, and the cost is naturally higher than that of lightweight and occasionally used equipment.

3. Structure and configuration: The double beam is more complex and stable than the single beam structure, and the price is higher.At the same time, the lifting height, operating speed, motor brand, control system (ordinary vs frequency conversion), and the level of safety devices (such as anti-swing, load monitoring) all directly affect the final quotation.

4. Degree of customization and brand service: completely standard models have lower costs.The customized design based on the workshop environment (such as explosion-proof and high temperature), special processes (such as metallurgical special), brand added value, and after-sales guarantee system will all be reflected in the price.

In simple terms, when buying a bridge crane, it is necessary to consider “how much, how frequently, what environment and what configuration”, which determine its core value and price.

Which crane to choose mainly depends on your specific needs. You can quickly judge from the following four core aspects:

-Single-beam bridge crane: it is suitable for conventional workshops with light and medium loads (usually ≤20 tons), medium span, and low frequency of use. It is the most economical and versatile choice.
-Double-girder bridge crane: used for heavy-duty, long-span, or high-work-level occasions (such as frequent hoisting, metallurgy, heavy-duty assembly). Its stability, durability, and safety are higher, but the cost is also increased accordingly.
-Free vertical crane (cantilever/column type): suitable for fixed working points and working conditions with limited rotation range, such as beside machine tools, maintenance areas, or production line stations, it can efficiently use corner space and be installed flexibly.
-Grab crane: It is specially used for the handling, loading, and unloading of bulk materials (such as grain, coal, sand, and gravel). The only reason to choose it is that you need to deal with such unpackaged loose materials.

In simple terms, you can filter according to this logic:

First, according to the lifting weight and span, choose between a single beam and a double beam.
If the scope of operation is highly concentrated and the space is limited, consider a free vertical.
If the handling object is bulk material, it points directly to the grab type.

Yes. Our bridge cranes fully comply with and follow relevant international standards. Our company has passed a number of international certifications, such as the ISO 9001 quality management system, which guarantees that the management system ensures every aspect of the product, from design to delivery, is under high standards of quality control. Therefore, you can rest assured that our cranes are internationally competitive in terms of safety and quality.
 
In order to ensure the versatility, safety, and reliability of our products on a global scale, we strictly follow the mainstream international standard systems, including the International Electrotechnical Commission (IEC), European (EN/DIN), and the United States (ANSI/ASME) in the design and manufacturing process. For example, for the EU market, our products meet the detailed requirements of the Machinery Directive and CE certification. At the same time, we also actively adapt to specific regulations in other regions to meet the compliance needs of different customers.

Delivery times largely depend on whether the crane is standard or customized. Based on our experience, standard single-girder and double-girder cranes can be produced more quickly, while cranes with special spans, duty ratings, or environmental requirements naturally require additional engineering design time.

For each quotation, we provide an estimated production and delivery schedule based on your configuration and destination. Throughout the manufacturing process, our team maintains communication with the customer to ensure no unexpected issues arise before shipment.

Compared with many suppliers, Yangyumech mainly reflects the two differentiated advantages of high customization flexibility and clear international compliance when providing bridge cranes.

On the one hand, we focus on in-depth customized services. According to your specific needs, we can provide fully customized solutions on core parameters such as rated load capacity, span, and lifting height, and accept personalized requirements. This means that what you get is not a standard product, but exclusive equipment that accurately matches the working conditions of your workshop.

On the other hand, we attach importance to international standards and quality certification. Our products clearly meet the requirements of international certifications such as CE, which ensures that their safety and reliability can meet the mainstream standards of the international market, and provides you with additional quality confidence guarantees. Combined with our direct supply capabilities as a powerful factory, we can achieve better comprehensive value for you while obtaining compliant and customized products.

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Get In Touch

Yangyumech is a leading professional manufacturer of cranes in China. Our company integrates the processes of crane research and development, manufacturing, sales and service.