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| NMBS/SNCB Class 08 Siemens Desiro | |
|---|---|
 Train 08503 during InnoTrans 2010 in Berlin | |
| Stock type | Electric multiple unit |
| Manufacturer | Siemens Mobility, Bombardier Transportation |
| Constructed | 2010-2015 |
| Number built | 305 |
| Fleet numbers | 08001-08210 08501-08595 |
| Operators | SNCB/NMBS |
| Specifications | |
| Gearbox | ZF E-S 20 A-N[1][2] |
| Electric system(s) | 08001-08210: 3 kV DC 08501-08595: 25 kV AC, 3 kV DC |
| Current collector(s) | Pantograph |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The AM/MS08 series is a three-part electric multiple unit of the Siemens type Desiro Main Line (Desiro ML), a so-called lightweight train with a low-floor section for regional passenger transport and local passenger transport for the National Railway Company of Belgium(SNCB/NMBS). They were originally intended for the Brussels Regional Express Network but have been deployed on L (local), S-train and IC (InterCity) train services across Belgium.
- ^ Wenzel, Thomas (2009-02-19). "ZF Receives Major Orders From Siemens Mobility". ZF Friedrichshafen AG. Archived from the original on 2010-07-19. Retrieved 2024-11-22.
As of 2011, finalized trains will be delivered to the Belgian state railroad where they will be used in regional train traffic. In summer 2009, production of the 305 multiple (train) units commences at the Siemens plant in Krefeld-Uerdingen, Germany. (…) The two-stage spur-gear drive with drive-end coupling (tooth clutch) enables a whole range of ratios. For the train manufacturer, this relates to cost and time savings. Consequently, the S 20 A-N is just optimal for the Desiro MainLine: The transmission is suitable for use in a torque range of up to 2025 Nm and thus ideally equipped for commuter train applications.
- ^ "Helical Gear, Axle Drive". ZF Friedrichshafen AG. Archived from the original on 2024-11-22. Retrieved 2024-11-22.
The ZF transmission was especially developed for the use in the Desiro Mainline trains.