Catalogue information
Material: cast metal. Version: digital decoder mfx and serially switchable sound functions. Controlled high-efficiency propulsion. 2 axles powered. Anti-slip tires. Direction-dependent Swiss light change (three-point headlights/1 white marker light) can be controlled digitally. Lighting with warm white LEDs. Mounted metal handles. Interchangeable couplings with detailed front skirts. Driveable minimum radius of curvature 360 mm. In program: 2010-1011. Prototype: The basic paint scheme of the SBB Cargo with the city's coat of arms "Auvernier" has a fiery red/ultramarine blue basic paint scheme. Conversion version with angular front signals. In the early 1970s, the legendary Ae 6/6 series on the Gotthard Line came to an end. The SBB therefore had a series of successors developed by the companies SLM Winterthur, BBC Baden and SAAS Genève: the series Re 6/6. The harsh conditions on the Gotthard demanded a locomotive with 6 driven axles. In order to keep wear to a minimum, the responsible manufacturers decided not to have two bogies, as with the Ae 6/6, but to three bogies, with the middle one showing a strong lateral shift. The bogies are interconnected with elastic cross couplings to guarantee optimum running through curves. Four prototypes of the Re 6/6 were initially built, two of which were fitted with a split lockast, which moves vertically and adapts optimally to the conditions. During the test runs, this was not necessary for the series locomotive and all 85 series locomotives, which were built from 1975 to 1980, were given a one-piece locomotive body. The cabs of the Re 6/6 are heavily reliant on the design of the Re 4/4 II, as are the electrical equipment of the transformers, of which the Re 6/6, however, has two. The 19,310 mm long, 120 t heavy and 140 km/h fast locomotives have a power of 7,850 kW. A special technical feature is the acceleration of the locomotive under optimum conditions: from 0 to 100 km/h in 5.8 seconds. The Re 6/6 have had to lose several color variants and innovations, 30 locomotives were equipped with radio remote control from 2000 onwards, these machines run under the designation Ref 6/6. The UIC designation of the Re 6/6 series is the 620 series, which is increasingly seen on the machines. The 88 locomotives still in service, one that crashed in 1990, all belong to the SBB Cargo sector and come with heavy freight trains to all corners of Switzerland, over the Gotthard also with a Re 4/4 II or Re 4/4 III in tandem traffic. In heavy passenger traffic, the class Re 6/6 locomotives were even an alternative to a Re 4/4 II double traction and after the modern class 460 was mainly assigned to passenger traffic, the impressive Re 6/6s dominate with their three bogies resumed freight traffic on the Gotthard.
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