SBB-CFF-FFS De 6/6

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  ​16 2⁄3 Hz AC system. The former system was removed from these locomotives in 1930, when the line was modernised to SBB national standards.

SBB–CFF–FFS De 6/6
De 6/6 15301 in Hochdorf
Type and origin
Power typeElectric
BuilderSLM BBC
Build date1926
Total produced3
Specifications
Configuration:
​
 • AARC-C
 • UICC′C′
Gauge1,435 mm (4 ft 8 1⁄2 in)
Wheelbase10,800 mm (35 ft 5 in)
(first and last axle)
Length14,000 mm (45 ft 11 in)
Loco weight73 tonnes (71.8 long tons; 80.5 short tons)
Electric system/s15 kV  ​16 2⁄3 Hz AC Catenary
(also 5.5 kV 25 Hz AC catenary until 1930)
Current pickup(s)Pantograph
Traction motorsTwo
Performance figures
Maximum speed50 km/h (31 mph)
Power output850 kW (1,140 hp)
Career
OperatorsSwiss Federal Railways
Numbers15301–15303
NicknamesSeetal Crocodile
Withdrawn1983
Preserved1
Current ownerOensingen-Balsthal-Bahn

Disposal and preservation

All three locomotives were withdrawn by SBB in April 1983, with 15302 and 15303 being scrapped. 15301 was purchased by the Oensingen-Balsthal-Bahn.[1]

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See also

References
  1. "Standard Gauge Crocodiles". Rhaetian Railway (RhB) – Prototype and H0m Model Railroading. Archived from the original on 9 May 2008. Retrieved 26 September 2009.


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