If you are in the market for a gantry crane, you need to choose between the two primary types. These are the rubber tired gantry crane (RTG) and the rail mounted gantry (RMG) crane. If you are unsure about which to choose, you need to compare them before you make any decisions.
The Capacity
One of the first points to consider when looking at any cranes is the capacity. While it is possible to get each of these cranes in different capacities, the RMG rail mounted gantry cranes(RMG gruas portico sobre rieles) generally have better overall capacity. This is based on the wheels of the cranes.
The RTG crane uses rubber tires which have a lower general capacity compared to the steel wheels used by the RMG cranes. The exact capacity of the crane will vary depending on the model you choose to get. If your business handles large loads, an RMG crane will be recommended.
The Flexibility
While the capacity of the crane is important, you also need to consider how flexible it is. Both cranes offer a great amount of flexibility, but in different ways. The flexibility of the RTG is primarily based on the rubber tires it runs on.
The rubber tires allow the crane to move through travel lanes on its own. This reduces the infrastructure you need to put in place to use the crane. Of course, there is a limit to this flexibility and that is the area these cranes can work in. RTG cranes are not recommended for large yards.
The flexibility of the RMG crane is different as it runs on rails. This means they cannot travel between stacks like the RTG, but they are able to cover larger areas. The reach of the crane is also greater resulting in the RMG crane being ideal for intermodal container yards.
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The Maintenance
Both cranes require a similar amount of maintenance, but this will vary depending on the usage of the crane. The more the crane is used, the greater the maintenance needs. It is important to note that many people feel RMG cranes will have greater maintenance needs compared to RTG cranes.
This is due to the central role RMG cranes play in a yard. If you are using this type of crane in an intermodal facility(instalación intermodal), you need immediate maintenance if there is a problem. Responsive maintenance is required to ensure the yard continues to operate are full capacity. RTG cranes are not as central in yards which means that a delay in maintenance will not be as detrimental.
Green Technology
If you are looking to lower your carbon footprint, an RMG is the best solution. They are able to run cleaner and more efficiently than RTG cranes. An RMG crane can run completely on electricity which reduces the impact it has on the environment.
If you are in the market for a gantry crane, you need to compare the two common types. The one you choose will depend on how you will use it, the capacity you need and the area you have. An Aicrane RMG crane(Aicrane grua RMG) is better for large yards with high capacity while an RTG crane is better between the stacks.