Final assembly takes place at the rail works at Simmering, Vienna; the first three trains were assembled by Siemens, the remainder by ÖBB technical services.
Asamblarea finală se face la uzina de utilaj feroviar de la Simmering, Viena; primele trei trenuri au fost asamblate de Siemens, restul de serviciul tehnic al ÖBB.