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D18E/ "Bi"
  Co-Co Diesel Electric

D18E001

On October 11, 1977, Belgium and Vietnam signed a Framework Agreement on Economic, Industrial and Technical Cooperation. Belgium had officially established diplomatic relations with Hanoi on March 22, 1973. As part of that agreement Belgium supplied diesel locomotives to 'help revamp Vietnam's Railways after years of destruction...'. The locomotives were funded by a state loan approved by the Belgian Parliament. It's interesting to note that the Belgian Embassy website says that the locomotives were delivered in 1978, while the builders plates on the locomotives say 1983. As it was a loan it was presumably paid back at some stage.

These 16 locomotives were built by Cockerill in Seraing, Belgium  in 1983 and are numbered 601-616. They were purchased using a Belgian Government loan. I guess Vietnam and China were at war at the time, so Vietnam's logical supplier was not 'available'. The initial order seems to have been made in 1978 but they were not delivered until 1983. The locomotives are used mainly in the north on heavy ('heavy' for Vietnam) freights.

DATA
Class
D18E
Wheel Arrangement
Co-Co
Gauge
1000 mm
Model
Not Known
Motive Power
Diesel Electric
Builder
Cockerill, Belgium - Locomotives also have "Association Belge de Traction Diesel" on the builder's plate
Year Built
1983 (As per builder's plate)
Number in Class
16
Road Numbers
601-616
Engine
Cockerill's own Diesel engine rated at 1800 hp (Built by 'Cockerill Diesel')
Electrical
ACEC (SA Ateliers de Constructions Electrique de Charleroi)
Length
15500 mm
Width
2800 mm
Height
3600 mm
Weight
108 tonne
Maximum Speed
105 kph
Axle Load
14 tonne

d18e002
Photo Gallery


Click on thumbnails for fullsize image

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D18E sideview

builder's plate

Locomotive Classifications

Steam Locomotives generally used the traditional French classification system. A steam locomotive with a 2-8-2 wheel arrangement is classified as 141 class, a locomotive with  4-6-2 wheel arrangement is classified as 231 class etc. Pretty straight forward, except what they did  if  two classes had a 2-8-2 wheel arrangement I'm not sure. It didn't happen so wasn't a problem?

Diesel locomotives have a completely dfferent clasification system.

All diesel classes start with the letter 'D'  (for diesel?) then a number which I believe is related to the locomotives  power output. The third character defines  Electric' (E) or hydraulic  (H).

e.g. D5H class = Diesel + 500 hp + hydraulic.

Again, what happens if two classes are the same I don't know.

I am still investigating pre 1975 classifications. Some are the same e.g. 141 steam class, and some are different e.g. 'BB' class instead of D9E.

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Railways in Vietnam website 2009-2014 David Gurnett
  Updated March 2, 2014
All images remain the copyright of their original owners and are reproduced purely for the purposes of research.

Please feel free to contact me at railwaysofvietnam@gmail.com