Y 7400

Y 7400

With 489 units, the Y 7400 is the largest series of locotractors ever made in France. Equipped with a CFD Asynchro gearbox, they were successively built by Decauville, De Dietrich then Moyse.

The largest series of gearboxes manufactured by CFD

The Asynchro gearbox cardanically drives a reduction shuttle which is connected by chains to both axles.

The first Y 7400 of a large series
The first Y 7400 of a large series

General characteristics

Y-diagram 7400
Y-diagram 7400

Features Y 7400

sync
Features Y 7400
FeaturesValues
Total weight32 tonnes
Longueur8940
Bogie pivot spacing3685
Wheel diameter1050
Maximum speed60 km/h
Rim effort tons
Minimum curved track80 m
Diesel Poyaud 6PYT156 kw
Speed boxCFD

Power curve

De-archiving in progress

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