| Rhaetian Railway ABe 4/4 III | |
|---|---|
 ABe 4/4 III 55 and 56 at Tirano station. | |
| Manufacturer | Swiss Locomotive and Machine Works and ASEA Brown Boveri |
| Constructed | 1988–1990 |
| Number built | 6 |
| Number in service | 6 |
| Operators | Rhaetian Railway |
| Lines served | Bernina Railway |
| Specifications | |
| Car length | 16,886 mm (55 ft 5 in) |
| Width | 2,650 mm (8 ft 8 in) |
| Maximum speed | 65 km/h (40 mph) |
| Weight | 47 t (46.3 long tons; 51.8 short tons) |
| Power output | 1,016 kW (1,360 hp) |
| Electric system(s) | 1000 V DC Overhead |
| Current collector(s) | Pantograph |
| UIC classification | Bo′Bo′ |
| Track gauge | 1,000 mm (3 ft 3+3⁄8 in) metre gauge |
The Rhaetian Railway ABe 4/4 III is a class of metre gauge electric multiple unit railcars of the Rhaetian Railway (RhB), which is the main railway network in the Canton of Graubünden, Switzerland.
The class is so named because it was the third class of railcars of the Swiss locomotive and railcar classification type ABe 4/4 to be acquired by the Rhaetian Railway. According to that classification system, ABe 4/4 denotes an electric railcar with first and second class compartments and a total of four axles, all of which are drive axles.
Acquired in 1988 and 1990, the six railcars in the class are numbered 51 to 56. They operate on the 1,000 V DC powered Bernina Railway, where they have helped to cope with increasing traffic. Over the years, they have also displaced the earlier ABe 4/4 I class railcars into lower level services.