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Müller Technologie converts Alstom shunting loco to hybrid traction

8 October 2024
Reading time ~ 1 min
The three-system Alstom Aeam 841 converted by Müller Technologie
The three-system Alstom Aeam 841 converted by Müller Technologie. Source: Müller Technologie
Savenkova Ekaterina, Editorial Contributor to International Projects of ROLLINGSTOCK Agency
Reading time ~ 1 min
Sotnikov Kirill, Editorial Contributor

Switzerland: The local track machine manufacturer converted the Am 841, built by Alstom in 1996, to use catenary, batteries and a Stage V diesel engine.

ABB, its partner in the project, supplied a traction converter, 350 kW LTO traction battery packs, and a transformer.

After the upgrade, the locomotive develops a starting tractive effort of 215 kN instead of 195 and a maximum speed of 100 km/h instead of 80. Whereas the old engine had an output of 950 kW, the new Deutz engine only has to generate 520 kW. Besides, it utilizes a hydrotreated vegetable oil.

In addition to the conversion, Müller Technologie overhauled the Am 841, extending its service life by 25 years. Lokpool, a leasing company, has ordered the upgrade of five Am 841s, which are expected to enter service in the third quarter of 2025.

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