Wiener Stadtwerke trailer type c1 no. 1241 (SGP Simmering 1957). In service until 1981. Length 14.7 m, weight 12 t. Coupled behind the C1 141.

Some of these trailers were rebuilt and used as type "c" behind E/E1 cars.

Wiener Straßenbahnmuseum, 2011-06-26.

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