CP Class 9020

Class 9020
A locomotive of Série 9020, at Livração station in May 1996
Type and origin
BuilderAlsthom
Total produced4
Specifications
Configuration:
​
 • AARB-B
 • UICB' B'
Gauge1,000 mm (3 ft 3+3⁄8 in)
Wheel diameter950 mm (37.4 in)
Prime moverS.A.C.M MGO V 12 ASHR
RPM range1.500 RPM
Engine type4-stroke Diesel
Displacement54 L (54,000.0 cc)
GeneratorAlsthom CC 830 H 10
Traction motorsAlsthom TA 641 M
CylindersV12
Cylinder size175 mm × 192 mm (6.9 in × 7.6 in)
TransmissionDiesel-Electric
Gear ratio79:14
MU workingWithin class, up to 3
Train brakesWestinghouse air brake,
Vacuum brake
Safety systemsVACM dead mans switch
Performance figures
Maximum speed70 km/h (43.5 mph)
Power output:
​
 • Starting1,050 hp (783.0 kW)
 • Continuous1,000 hp (745.7 kW)
Tractive effort:
​
 • Starting11,500 kgf (25,353.2 lbf)
 • Continuous10,600 kgf (23,369.0 lbf)
Career
OperatorsComboios de Portugal
ClassSérie 9020
Numbers9001 - 9004
LocalePortugal
First run1975
Dispositionseven sold to Madarail
Main reference[1]
A former CP Class 9020 locomotive at Andasibe in Madagascar in 2005

Série 9020 was a class of metre-gauge diesel locomotives built by Alsthom for the Portuguese Railways (CP). They entered service in 1975. By the early years of the 21st century the metre-gauge lines on which they operated (such as the Corgo line and the Tua line) have now almost all been closed, resulting in the withdrawal of the locomotives. After their withdrawal, some of the locomotives were sold to Madarail in Madagascar.

See also

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References

  1. ^ "Class 9020 - Technical Data".

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