© trainspo.comSAAS SOB ABe 4/4
Built by SLM, BBC, MFO, SAAS
Overview of the SAAS SOB ABe 4/4
Discover the iconic SOB ABe 4/4 railcar, a testament to Swiss engineering and operational excellence.
Built between 1939 and 1940 by SLM, BBC, MFO, and SAAS, this classic locomotive served with distinction.
It was a key component of Regionalverkehr Mittelland as the RM ABe 526 and later operated with Schweizerische Südostbahn AG as the SOB ABe 4/4.
This robust railcar boasts a powerful 735 kW electric system, operating on 15 kV AC 16.7 Hz.
With a top speed of 80 km/h and a length of 19.6 meters, it was perfectly suited for regional services.
Its standard gauge of 1435 mm and Bo'Bo' UIC axle arrangement ensured smooth and reliable performance on the tracks.
Weighing 47 tons, the SOB ABe 4/4 is a significant piece of railway history, offering insights into the evolution of Swiss rail transportation.
Explore the legacy of this durable and efficient railcar that contributed to Swiss public transport for decades.
Learn more about its specifications and its role in Swiss railway operations.
SAAS SOB ABe 4/4 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | SLM, BBC, MFO, SAAS · 1939–19408 units | |
| Top speed | 80 km/h50 mph | |
| Power output | 735 kW986 hp | |
| Electric systems |
| |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Bo'Bo' | |
| Length | 19.6 m64 ft 4 in | |
| Weight | 47 t103,617 lb |
Operators of the SAAS SOB ABe 4/4
Railway companies that have operated the SOB ABe 4/4, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Regionalverkehr Mittelland | RM ABe 526 | Switzerland |
| Schweizerische Südostbahn AG | SOB ABe 4/4 | Switzerland |
SAAS SOB ABe 4/4 photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
