| SBB–CFF–FFS De 6/6 | |
|---|---|
| The last remaining De 6/6 prior to restoration | |
| Power type | Electric |
| Builder | SLM BBC |
| Build date | 1926 |
| Total produced | 3 |
| AAR wheel arr. | C-C |
| UIC classification | C′C′ |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Wheelbase | 10,800 mm (35 ft 5 in) |
| Length | 14,000 mm (45 ft 11 in) |
| Locomotive weight | 73 tonnes (71.8 long tons; 80.5 short tons) |
| Electric system | 15 kV 16⅔ Hz AC (also 5.5 kV 25 Hz AC until 1930) |
| Traction motors | Two |
| Top speed | 50 km/h (31 mph) |
| Power output | 850 kW (1,140 hp) |
| Career | Swiss Federal Railways |
| Number | 15301–15303 |
| Nicknames | Seetal Crocodile |
| Withdrawn | 1983 |
| Preserved | 1 |
| Current owner | Oensingen-Balsthal-Bahn |
The Swiss Class De 6/6 electric locomotives were built in 1926 for the Swiss Federal Railways. Ordered for the Seetalbahn line, which runs between Lenzburg and Emmenbrücke, they were Known as Seetal Crocodiles. In total 3 locomotives of this type were built, and numbered 15301–15303. As built they were capable of operating under dual voltage - the 5.5 kV, 25 Hz AC system in use on the Seetal line, and the national 15 kV 16⅔ Hz AC system. The former system was removed from these locomotives in 1930, when the line was modernised to SBB national standards.
All three locomotives were withdrawn by SBB in April 1983, with 15302 and 15303 being scrapped. 15301 was purchased by the Oensingen-Balsthal-Bahn.[1]
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