An refurbished Z6400 EMU in the "Grande Ceinture Ouest" version at Saint-Germain-en-Laye. The Grande Ceinture line (French - Ligne de Grande Ceinture) is a railway line round Paris 15km from the Boulevard Périphérique. For treaties with this name see Treaty of Saint-Germain-en-Laye (disambiguation Saint-Germain-en-Laye is a commune in the western

An refurbished Z6400 EMU in the normal version at Paris-St-Lazare.

The SNCF Class Z 6400 electric multiple units were built by Alsthom/Carel et Fouché between 1976-1979. SNCF ( Société Nationale des Chemins de fer Français) (French National Railway Company is a French public enterprise An electric multiple unit or EMU is a Multiple unit train consisting of many carriages using Electricity as the motive power Alstom ( is a large French multinational conglomerate which holds interests in the power generation and Transport markets Year 1976 ( MCMLXXVI) was a Leap year starting on Thursday (link will display full calendar of the Gregorian calendar. Year 1979 ( MCMLXXIX) was a Common year starting on Monday (link displays the 1979 Gregorian calendar)

75 of these 4-car units are used on suburban service in the west of Paris, operating mainly from Paris Gare Saint-Lazare.