© trainspo.comDecauville U 825
Built by Renault, Decauville
Overview of the Decauville U 825
Discover the SNCF Z 7100 railcar, model U 825, a classic piece of French railway history.
Built by Renault and Decauville between 1960 and 1963, this iconic electric railcar served the French National Railway Corporation with distinction.
With a top speed of 130 km/h and a powerful 940 kW electric system operating on 1.5 kV DC, the U 825 was designed for efficiency and reliability on the 1435 mm standard gauge.
Its substantial length of 26.13 meters ensured ample capacity for passengers, making it a familiar sight across the French railway network.
Explore the enduring legacy of this significant locomotive.
Decauville U 825 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | U 825 | |
| Built by | Renault, Decauville · 1960–1963119 units | |
| Top speed | 130 km/h81 mph | |
| Power output | 940 kW1,261 hp | |
| Electric systems |
| |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| Length | 26.13 m85 ft 9 in |
Operators of the Decauville U 825
Railway companies that have operated the U 825, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| French National Railway Corporation | SNCF Z 7100 | France |
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X 2400
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Y 7400
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1962–1969 · 50 km/h

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OSE 3001
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Decauville
Mont-Blanc EMU
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1957 · 22 km/h







