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#2579

Z 23000

🇫🇷 France ·built by Brissonneau et Lotz· from 1937· class of French electric railcars

Z 23000, photo 1 of 5
1/5 Smiley.toerist· CC BY-SA 3.0

what is it?

The Z 23000 was a type of passenger train used by the Compagnie du Chemin de Fer Métropolitain de Paris (CMP). Better known during its 50 years of service as the "Z railcar" ("automotrice Z"), it was introduced in 1937 to serve the Sceaux Line in the southern suburbs of Paris, which had been modernized and electrified by 1937. The Z 23000 cars were built with identical motors, and were the first generation of modern self-propelled locomotive technology engineered for a future regional metro network, which would not be created until forty years later as the Réseau Express Régional (RER).

who runs it

base stats

  • speed 80 km/htop speed
  • power 1.4 MWpower output
  • weight 44.6 tin working order
  • seats 84passengers
  • built 150made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 89 years ago, in 1937.
  • 1.4 MW is about 16 family cars (~85 kW each) flat out.
  • Weighs about as much as 7 African elephants (~6 t each).
  • 20.7 m long: about 5 cars parked nose to tail.
  • Served for 50 years (1937–1987).

multiple unit: A self-propelled train: motors are spread under the passenger cars, so no separate locomotive.

spec sheet

built
1937
in service from
1937
retired
1987
status
retired
number built
150
kind
multiple unit
traction
electric
origin
🇫🇷 France
builders
Brissonneau et Lotz, Compagnie française de matériel de chemin de fer, Decauville
operators
Compagnie du chemin de fer métropolitain de Paris, RATP
top speed
80 km/h
power
1.4 MW
gauge
1,435 mm standard gauge
length
20.7 m
weight
44.6 t
capacity
84 passengers

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q3574404, Wikipedia: Z 23000 (CC BY-SA 4.0).Updated 2026-10-25.

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