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 Birsigtalbahn (BTB) as # 15. They came to the Aigle-Ollon-Monthey-Champéry (AOMC) in 1984, when the former Birsigtalbahn changed to tram vehicles. On the AOMC, now TPC, this vehicles run on the adhesion line between Aigle and Monthey only. 850 V DC, 1 meter gauge.
