The new Stadler built cogwheel diesellocomotive HGm 2/2 # 702 of the Matterhorn-Gotthard Bahn (MGB) is pulling the track measuring car P # 10175 of the ARGE FahrwegDiagnose (Sersa, INovitas, Kistler) and the flat car with crane X 4943S (built 1957, former Furka-Oberalp-Bahn) of the MGB, which serves as brake car, especially in the cogwheel sections.