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230 Classes
4-6-0 Wheel Arrangement

230class01
There is very little information about this locomotive class. These photos were apparently taken in 1967 of 230-306 and display the coat of arms of the former southern system as well as the narrow gauge couplers used by that system.There is a sort of family resemblance to the 141 and 231 classes so perhaps also built by SACM in France?

The following data was provided by J.D.H. Smith. However notice he lists the road numbers starting at 001. All the 230 locomotives seen in photos appear to be numbered from 301. Mr Smith also suggests that the 230's are the same as the Indonesian C52 class, but the drawings of that class are slightly different.

Class Axle
Arr.

Dr.
Dia.
Cylinders
Dia. x Str.
B.P. Adh.
Wt.
EW
WO
Grate
Area
Evap
Surf.
Sup.
Surf
Remarks
230-001 2'C 4-6-0
1260 400x508 12.7 25 38 1.8 72 35 PNKA C52


There is some information also in the 'Trains' magazine article. This article also refers to 230-400 class locomotives. There are also several photos.

So we can asume that there was at least a 230-301 class and a 230-401 class. The 230-001 class remains a mistery.

The photo belows shows a very similar locomotive numbered '313' in French colonial times. The second dome is different, as is the cylinder and the cab side window, so this could be an earlier version.

230-313

230 103

This locomotive is identical to the '313' locomotive. The locomotive number is either '103' or that's the number of the postcard!

How many members of the class there were, what happened to them, whether any were used by the northern system, and whether any survived re-unification is not known.



230class02

The photos were taken at the Thap Cham Station workshop.

diagram

Diagram of Indonesian C52 class. Similar, but there are some differences.



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 2009-2014 David Gurnett
  Updated January 14, 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