Eb 3/5 # 9 was built 1910 by Maffei in Munich for the Bodensee-Toggenburg-Bahn (BT). The tank locomotive heads a train Etzwilen – Eschenz of association VES (Verein zur Erhaltung der Eisenbahnlinie Etzwilen-Singen/Association for preservation of the railway line Etzwilen-Singen).