The Furka-Oberalp Railway Deh 4/4 II, now known as the Matterhorn-Gotthard Railway Deh 4/4 91-96, is a class of metre gauge, rack rail, electric multiple unit power cars operated until 2002 by the Furka Oberalp Railway (FO), and since then by its successor, the Matterhorn-Gotthard Railway (MGB), in the Canton of Valais, Switzerland.