SNCF Class Z 8800

The SNCF Class Z 8800 is a double-deck, dual-voltage electric multiple unit trainset that are operated by SNCF on the Réseau Express Régional (RER), a hybrid suburban commuter and rapid transit system and the Transilien, a suburban commuter rail system, both serving Paris and its Île-de-France suburbs.

Z 8800
A Z 8800 trainset operating on Transilien Line R at La Verrière station
In service	1982–present
Manufacturer	ANF, CIMT, and TCO
Family name	Z 2N series
Constructed	1985–1988
Entered service	1985
Refurbished	2010–2017
Number in service	58 trainsets (232 cars)
Formation	4 cars per trainset
Fleet numbers	Z 8801 to 8916
Capacity	907 maximum, 564 seated
Operator(s)	SNCF (RER and Transilien)
Depot(s)	Les Ardoines Trappes
Line(s) served
Specifications
Train length	98.76 m (324 ft 0 in) (4 cars) 147.32 m (483 ft 4 in) (6 cars)
Width	2.846 m (9 ft 4.0 in)
Height	4.32 m (14 ft 2 in)
Doors	2 pairs per side, per car
Maximum speed	140 km/h (87 mph)
Weight	220,500 kg (486,100 lb)
Power output	2,800 kW (3,800 hp)
Electric system(s)	1.5 kV DC or 25 kV AC overhead catenary
Current collection method	Pantograph
Coupling system	Scharfenberg type
Multiple working	Other Z 2N series trains (Z 5600, Z 8800, Z 20500, Z 20900)
Track gauge	1,435 mm (4 ft 8 1⁄2 in) standard gauge

The 58 trainsets were built by a consortium of ANF, CIMT, and TCO between 1985 and 1988.

The Z 8800 trainsets are part of the Z 2N series of trainsets and were based on the earlier Z 5600 but added dual-voltage capabilities.

The ability to operate under both 1.5 kV DC and 25 kV AC was necessary to add the branch to Montigny–Beauchamp station to the RER C line.[1]