| Swiss Federal Railways (SBB) Class De 6/6 Seetal Crocodile. Brownish red basic paint scheme. Locomotive road number 15302. The locomotive looks as it did in the mid-Sixties.
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Seetal Crocodiles The lines for the Swiss Seetal Railroad near Wildegg and Beromünster were electrified from 1910 to 1930 with 5.5 kilovolts / 25 Hertz current, a leftover from the private railroad era. When the railroads were nationalized in 1922, the SBB took the simultaneous decision to standardize the system of current for powering locomotives and to purchase a new locomotive. Hence, in 1926 three of the class De 6/6 were already equipped for the standard current of 15 kilovolts / 16 2/3 Hertz. The Seetal Crocodile lives up to its name: The design for its frame is quite similar to that of the famous SBB Crocodiles. Two groups of driving wheels (here without pilot trucks) support a three-part body. Since the Seetal locomotives had to be more maneuverable and lighter, suitable mechanical parts were used from the small class Ee 3/3 switch engine built at the same time. Each power truck frame is driven by a motor via a jackshaft and diagonal side rods, the whole putting out 850 kilowatts or 1,140 horsepower, and enabling a top speed of 50 km/h or 31 mph. A characteristic feature of these units are the large air intakes on the appliance side of the locomotive for cooling the transformers, and the single pantograph. These three small Crocodiles were in use on the SBB until 1983, since the 1950s primarily as switch engines. Road numbers 15302 and 15303 were scrapped in the spring of 1983. Road number 15301 came to the Oensingen-Balsthal Railroad, where it was used for another 10 years as a freight locomotive. This single preserved locomotive is maintained at present by the Seetalkrokodil 15301 Association. |
