© trainspo.comSIG SBB De 4/4
Built by SWS, SIG, SAAS, MFO
Overview of the SIG SBB De 4/4
Explore the SBB De 4/4, a classic electric locomotive with a rich history in Swiss rail transport.
This robust machine, built by SWS, SIG, SAAS, and MFO in 1928, served the Swiss Federal Railways (SBB) diligently.
Refurbished between 1966 and 1971, the SBB De 4/4 maintained its operational excellence.
With a top speed of 85 km/h, a power output of 800 kW, and a weight of 59 tons, it was a reliable workhorse.
Its Bo'Bo' UIC axle arrangement and a length of 15.2 meters showcase its functional design for standard gauge railways.
Discover more about this significant piece of railway heritage.
SIG SBB De 4/4 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | SBB De 4/4 | |
| Built by | SWS, SIG, SAAS, MFO · 1928 | |
| Refurbished | 1966 - 1971 | |
| Top speed | 85 km/h53 mph | |
| Power output | 800 kW1,073 hp | |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Bo'Bo' | |
| Length | 15.2 m49 ft 10 in | |
| Weight | 59 t130,073 lb |
Operators of the SIG SBB De 4/4
Railway companies that have operated the SBB De 4/4, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Swiss Federal Railways | SBB De 4/4 1660 | Switzerland |
SIG SBB De 4/4 photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
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