Former SBB Re 6/6 # 11603 "Wädenswil", one of the four prototype locomotive of the Re 6/6 series, now running for the german RailAdventure Gmbh as Re 620 # 003 in a "agate grey" and "traffic grey B" paint scheme. The 10600 HP locomotive was built in 1972 by SLM, BBC and SAAS. The locomotive came from Basel to Sulgen, to pull a vintage passenger car of the association Eurovapor to Altenrhein, and to bring two sleeping cars from StadlerRail for Azerbaijan to Basel. The locomotive is approved to run in Switzerland only. For traffic in Germany, RailAdventure uses other locomotives of the 103, 111 and 139 series former Deutsche Bahn.