First announced: January 2020
Presented in the following catalogs / brochures:
Associated railway vehicles:
Also known as: Unified cars I (Voitures unifiées I - VU I / Einheitswagen I - EW I), Unified type I (Type unifié I / Einheitstyp I)
UIC registration: 50 63 20-33
Registration country: Switzerland
Also known as: Unified cars I (Voitures unifiées I - VU I / Einheitswagen I - EW I), Unified type I (Type unifié I / Einheitstyp I), B4ü
UIC registration: 50 63 20-33
Registration country: Switzerland
Also known as: Unified cars I (Voitures unifiées I - VU I / Einheitswagen I - EW I), Unified type I (Type unifié I / Einheitstyp I)
UIC registration: 50 63 39-33
Registration country: Switzerland
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