100 years old electrolocomotive Ae 3/6 II # 10439 of SBB Historic, based in Olten, pulls the train 31121 from Olten via Lenzburg-Baden Oberstadt-Regensdorf-Kloten-Winterthur-Weinfelden-Romanshorn joint line to Arbon, organized by the "Team 10439", between Erlen and Oberaach.