| ÖBB 4020 | |
|---|---|
![]() 4020 262 in Perchtoldsdorf  | |
| In service | 1978 – 2025 (planned) | 
| Manufacturer | SGP, BBC, Siemens ASEA | 
| Constructed | 1978–1987 | 
| Number built | 120 trainsets | 
| Capacity | 184 (56+64+64) | 
| Operators | ÖBB | 
| Specifications | |
| Car length | 23.3 m (76 ft 5+5⁄16 in) (rail carriage) 22.8 m (74 ft 9+5⁄8 in) (intermediate carriages)  | 
| Width | 2.872 m (9 ft 5+1⁄16 in) | 
| Height | 3.75 m (12 ft 3+5⁄8 in) | 
| Maximum speed | 120 km/h (75 mph) | 
| Acceleration | 0.7 m/s/s (1.6 mph/s) | 
| Electric system(s) | 15 kV 16.7 Hz AC | 
| Safety system(s) | Sifa, PZB90, LZB | 
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) | 
ÖBB class 4020 is a 3 part electric multiple unit operated by the ÖBB (Austrian Federal Railways or Österreichische Bundesbahnen), built from 1978 until 1987 as successor of the ÖBB 4030 class.

4020 of the Vienna S-Bahn
The 4020 class is used extensively on many regional rail routes, including the Vienna S-Bahn. Most trains bear the older blue ÖBB logo, meanwhile some, have received a new paint scheme with grey and red color, similar to that of the new ÖBB 4024 Talent trains.[1]
References
- ↑ "Die Schnellbahnzüge der Reihe 4020 | ÖBB". ÖBB Corporate Blog (in German). Retrieved 2018-11-08.
 
External links
 Media related to ÖBB 4020 at Wikimedia Commons
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