Y1 (railcar)

Kalmar Verkstad/Fiat Y1
A pair of Croatian Railways Y1 units
ManufacturerFiat, Kalmar Verkstad
Constructed1979–1981
Number built100 (35 in HŽ)
Specifications
Car length24.4 m (80 ft 1 in)
Maximum speed130 km/h (81 mph)
Weight47 t (46 long tons; 52 short tons)
Prime mover(s)originally Fiat
rebuilt with Volvo DH10
Engine typeDiesel
Power output294 kW (390 hp)
TransmissionHydraulic
UIC classification(1A)(A1)
Track gauge1,435 mm (4 ft 8+12 in) standard gauge

The Y1 is a diesel-hydraulic standard gauge railcar (single self-propelling carriage). It is in use in Croatia, Serbia, Kosovo, Sweden and Uruguay. The production of the railcars was begun in 1980 by Kalmar Verkstad and Fiat Ferroviaria for Sweden.