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  • 2021 February 7 09:54

    Metrans upgrades wagon fleet with quiet and sustainable break pads

    Metrans, the rail subsidiary of Hamburger Hafen und Logistik AG (HHLA), has fitted its entire 3,000-container wagon fleet with what are known as “whispering” (composite) brakes. This means that Metrans has already implemented the ban on noisy freight trains in Germany, which was passed by the German Federal Parliament, on the entire European rail network.

    Driving and braking noise created by the wagons will be cut in half, because the composite material of the brake pads is harder than the actual wheel. The braking process is not the only part that will be quieter – the wheels will also be smoothed down by the pads, which will lead to less friction and therefore less noise.

    Metrans wagons are mostly lightweight flat wagons and especially energy efficient as a result. They make the already eco-friendly rail transport even more sustainable because they are around 4,000 kilograms lighter than conventional container wagons. Their rolling resistance is lower and they require less energy for transport. Additionally, their special construction allows containers to be placed closer together on the 700 metre-long block trains, meaning more containers can be transported on the same train length. These wagons were developed by Metrans and the Slovakian manufacturer Tatravagonka.

    For Peter Kiss, CEO of the Metrans Group, innovations are the right way to more sustainability: “Our rail transports are more eco-friendly than road traffic. However, we cannot just rest on our laurels. We need to keep expanding this advantage. This is why at Metrans we think about every little detail.”

    Metrans was, for example, the first company in the world to test the environmentally friendly hybrid technology on shunting. Units using this technology emit up to 50 percent less CO2 than conventional shunting locomotives. It even cuts emissions of other harmful substances such as nitrogen dioxide by up to 70 percent. Three of these hybrid shunters have become part of the regular fleet. Depending on the assignment, a shunting locomotive can run on battery power for between 50 and 70 percent of the time it is in operation, reducing fuel consumption by up to 50 percent.

    State-of-the-art electric locomotives are also used on the numerous rail connections between the seaports and Metrans terminals, featuring modern energy-efficient technology, high performance and pulling power, and flexible cross-border use. They have noise-reducing disc brakes and use their electric motors to support the braking process. Thus, up to 18 percent of the energy is recovered during braking and fed back into the power grid.




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