Städtische Straßenbahnen Wien work unit type MR no. 6150, pulling the trailer type gr no. 7130. The trailer was built 1923 in Graz as type k4 no. 3750, 1961 rebuilt into a work and wardrobe trailer for electric measurement units. Length 10.3 m, wheelbase 3.4 m, weight 6.3 t.

Wiener Straßenbahnmuseum, 2011-06-26.

tobias b köhler