Probably some of the oldest passenger vehicles in regular service in Switzerland (cogwheel excluded) are this railcar Be 4/4 # 101 with cab car Bt 132, built in 1966 by SWP and BBC for the Birsigt... (more)
The Regio Train 828 hauled by the HGe 4/4 II 101 "Sitten" running from Andermatt to Disentis/Mustér is climbing down the cogwheel section on Oberalp Pass.