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Class D.443
D.443.1005 at Gela on Sicily, in 1995
Type and origin Power type Diesel Builder FIAT Grandi Motori, Breda Build date 1967-1970 Total produced 50
Specifications Configuration: ​  • UIC Bo′Bo′ Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Length 14.1 m (46 ft 3+1⁄8 in) Loco weight 72.1 t (71.0 long tons; 79.5 short tons) Fuel type Diesel Transmission Electric
Performance figures Maximum speed 130 km/h (81 mph) Power output 1,350 hp (1,010 kW)
Career Operators FS/Trenitalia and others

The FS Class D.443 is a class of diesel-electric locomotive used in Italy, introduced in the late 1960s and still in service.

History

D.443 was ordered by the Italian state railways, Ferrovie dello Stato (FS), at the same time than the D.343, but requiring generally higher performances and multi-role capabilities. The two types shared the same hull and the single-motored bogies, which had been designed by FS. 30 units were to be built by FIAT, the remaining 20 by Breda. The D.443 were mainly to replace the old steam locomotives which were used for heavy freight trains on light, not-electrified lines.

Description

D.443 has one cab at each end, separated by two compartments including the engine-transmission pack and, in the other, the cooling devices. The two engines were both V-12, 1,900 hp (1,400 kW) of power, coupled to a DC 640/1080 V generator provided by Ansaldo. The two electric motors, designed by Breda, had a continuous power output of 622 kW (834 hp).

Successors

From 1974, the D.445 class was introduced, with an AC alternator. They also supplied electric train heating.

References

Sources

• Servizio Mat. e Trazione (1971). Automotrici termiche. Florence: Ferrovie dello Stato.

• Bo′Bo′ locomotives
• Ferrovie dello Stato Italiane diesel locomotives
• Railway locomotives introduced in 1967
• Gio. Ansaldo & C. locomotives
• Breda locomotives
• Standard gauge locomotives of Italy