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D8E
Bo-Bo Diesel Electric

D8E001

These locomotives were built  in Vietnam in 2002 for use on prestige passenger services and were numbered 1001-1002. Only two were built and they seem to have been less than completely successful. As far as is known they are the only locomotives built from scratch in Vietnam. Only one seems to be currently in operation. They seem to have had a lot of trouble with the nose shape. Note the damaged and poorly repaired nose below. I caught a glimpse of one when I was in Saigon last year (2009). No idea whether it was operational. The locomotives seem to have been designed to pull coaches painted in the same colour scheme, but in reality pull anything in the passenger fleet. They look vaguely like the British HST or the Australian XPT power cars, so I wonder if the were designed to 'top and tail' passenger trains the way that the HST and XPT does. I don't think this has ever happened.

D8E002
DATA:

Class
D8E
Country of Manufacture
Vietnam
Year Built
2002
Year in service
2003
Number in Class
2
Road Numbers
1001-1002
Length
16577 mm
Width
2860 mm
Height
3910 mm from rail.
Weight
54367 kg (54.3 tonnes)
Maximum Speed
120 kph
Continuous Speed
11.7 kph
Axle load
14 tonnes
Engine
Caterpillar CAT3412E - Made in USA
Engine Rated at:
641 kw/871 hp
Engine type
V12 cylinder
Fuel Tank
1500 litres
Continuous Tractive Effort
105 kn/23600 lbs
Minimum Radius
95/75 metres

Image Gallery

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D8E001tD8E002tD8E003t

D8E004tD8E005tD8E006t

D8E007tD8E009tD8E010t

D8E011tD8E012tD8E015t

D8E013tD8E014tD8E016t




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 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 © 2009-2010 David Gurnett
  Update April 25, 2010
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