CP Class 4700

Class 4700 are a series of medium power electric locomotives built by Siemens for Comboios de Portugal, the state owned railway company of Portugal. They were built to replace the CP Class 2550 locomotives dating from the early 1960s. Siemens were the natural choice for the original order for 15 machines, placed in 2006, as they built the older Class 5600 locomotives in the 1990s. An option for 10 further locomotives was provided for, and this was taken up in 2007, with delivery following on from the original batch.[1]

CP Class 4700
Type and origin
Power typeElectric
BuilderSiemens
ModelES46B1
Build date2007-2009
Total produced25
Specifications
Configuration:
​
 • UICBo′Bo′
Gauge1,668 mm (5 ft 5 21⁄32 in)
Length19,580 mm (64 ft 2.9 in)
Axle load21.75 t (21.41 long tons; 23.98 short tons)
Loco weight87 t (86 long tons; 96 short tons)
Electric system/s25 kV 50 Hz AC Catenary
Current pickup(s)Pantograph
Performance figures
Maximum speed140 km/h (87 mph)
Power output4,600 kW (6,200 hp)
Tractive effort300 kN (67,000 lbf)
Career
Current ownerMedway

EuroSprinter family

The 4700 locomotives are part of the EuroSprinter family of modular locomotives built by Siemens for European railway companies. These 4700 Kw engines are a downgraded version of the ES64U4 (4700 Kw).

These engines belong to the last EuroSprinter generation, featuring safer cabs.

Cab design

The machines feature a new cab design, meeting the latest EU safety directives in crashworthiness,[1] a design which was continued with the Class 18 locomotives built for the Belgian state railway company.[2]

The new Siemens Vectron also use this successful cab.

References
  1. "CP LE 4700 Series". Railcolor.net. Retrieved 9 June 2010.
  2. "SNCB/NMBS 18 Series". Railcolor.net. Retrieved 9 June 2010.
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