Masquer les détails techniques
En service:
depuis 1928
Écartement:
Standard gauge (1'435 mm)
Collecteurs de courant:
Pantograph - Symmetrical
Tare weight (t):
45
Power output (x'xxx kW / x'xxx hp):
430
585
Maximum speed (km/h):
40

Increasing electrification of the Swiss railroad network pointed up a need for electric switch engines. Compared to steam locomotives electric switch engines were ready to run without a lot of preparation time and only required power when they were actually in operation.

After two prototypes (Ee 3/4) were taken into operation in 1923, the SBB purchased a first series of 16 units starting in 1928 from SLM and BBC. These three-axle units could be produced without a pilot wheel set due to technical progress in lowering the weight of their components.

They had a cab at one end of the locomotive, which together with the rather extended roof quickly acquired the more or less affectionate nicknames "Flat Iron" or "Casual Shoe".

A characteristic feature was its Winterthur diagonal drive with a jackshaft driving powered by the traction motor and connected to the driving wheels by side rods. High levels of tractive effort could be realized by the wheel sets connected together without individual axles slipping. This concept was also used at that time on faster locomotives, but its real strength was in those situations where it was a matter of high levels of tractive effort. These locomotives were controlled by a flat sliding step switch with thirteen speed levels that controlled the voltage at the traction motor.

These quaint switch engines were gradually retired starting in 1980. At the end of 1997, the last five units of the existing Ee 3/3 of this series still on the SBB were taken out of service. The "Casual Shoes" sold previously to private operators held on several more years until around 1995/96. Several units remained preserved such as road number Ee 3/3 16318 at Locorama in Romanshorn and road number Ee 3/3 16311 at Swisstrain.

1977

La Ee 3/3 16311 est vendue à la poste suisse (PTT) pour le centre de tri à Däniken. Elle est utilisée comme PTT 7 jusqu'en 1995.  

Concerne le(s) numéro(s) d'immatriculation: 16311

1980

En 1980/81, le groupe EBT achète les locomotives Ee 3/3 16312, 16322 et 16323 et les utilise sous les dénominations EBT Ee 3/3 132 & 133 et VHB Ee 3/3 151. Les locomotives sont principalement utilisées pour le transport de marchandises.

En 1992, les EBT Ee 3/3 132 & 133 sont rebaptisées Ee 3/3 135 & 136 tandis que la VHB Ee 3/3 151 est mise à la ferraille. Elles ne sont utilisées que pendant quelques années : 136 est mise à la ferraille en 1993 et 135 subit le même sort en 1996.
 

Concerne le(s) numéro(s) d'immatriculation: 16312, 16322, 16323

1981

La Ee 3/3 16318 est vendue à la Mittelthurgaubahn pour le transport de marchandises. En 2003, elle est vendue à un particulier.  

Concerne le(s) numéro(s) d'immatriculation: 16318

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Sources: le-rail.ch

Dernière mise à jour le 11th de March 2018 à 19:07

Contributeur(s): Tudor C.

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