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(August 2024)
CP Class 2550
👁 Image
Two Série 2550 locomotives hauling a freight train
Type and origin
Power typeElectric
BuilderGroupement d'Étude d'Électrification Monophasé 50 Hz
Henschel
Alstom
Sorefame
Build date1963–1964
Total produced20
Specifications
Configuration:
 • WhyteBo-Bo
 • UICBo′Bo′
Gauge1,668 mm (5 ft 5+2132 in) Iberian gauge
Wheel diameter1,300 mm (51 in)
Length15.38 m (50 ft 5.5 in)
Width3.00 m (9 ft 10.1 in)
Height4.45 m (14 ft 7.2 in)
Loco weight72.0 t (70.9 long tons; 79.4 short tons)
Electric system/s25 kV 50 Hz AC Catenary
Current pickupPantograph
Traction motors709 hp (529 kW) Alstom TAO-645 A1, 4 off
Train heatingNone
Loco brakeAir
Train brakesAir
Safety systemsConvel
Performance figures
Maximum speed120 km/h (75 mph)
Power output2,790 hp (2,080 kW)
Tractive effort191 kN (43,000 lbf)
Career
OperatorsComboios de Portugal
Numbers2551-2570
Retired2009
Disposition1 preserved, 19 scrapped

The Série 2550 were the second batch of 25 kV electric locomotives built for Portuguese Railways (CP). They entered service in 1964 and were used on the main line between Lisbon and Porto. Twenty locomotives were built with all withdrawn by 2012.[1] Unlike the earlier Série 2500, the Série 2550 were built with unpainted stainless steel bodywork. They were built by Sorefame, with components from Alstom.

The Série 4700 were built in 2007-2009 as a replacement for the Série 2550.

References

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