||D19E -"Đổi Mới"
Co-Co Diesel Electric Locomotive
"Type 1" and "Type 2"
Above: 'Type 1' D19E - 902 at Hanoi
These 60 (soon to be 80?) locomotives were built by CSR Ziyang and the Gia Lam Workshops of DSVN and are used for both freight and passenger services. They are members of CSR's model CKD7F. There are two versions which I'll call type 1 and type 2. The last 20 were delivered with a different more rounded body style. According to an article in Wikipedia, they were built in four batches, the first 10 being delivered to Lao Cai (one of the border crossings between China and Vietnam) on January 20, 2002. The second batch of 10 were delivered on December 28 of that year , with the the third batch of 20 units being delivered March 18, 2004. A fourth batch of 20 units (941-960) as far as I can ascertain was either built or at least assembled in DSVN's Gia Lam Workshops and delivered during 2007. These units have a different more rounded body design and a rather garish pink/white/blue colour scheme. I am not aware of any mechanical differences between the type 1 and type 2 versions. They seem to be quite a successful class and can be seen everywhere on the metre gauge network. The type 1 have ""Đổi Mới" (renovation) on the nose under the cab windows, but this does not appear on the type 2, though there is one photo of the body of 945 on a flat wagon presumbably being delivered from China with Đổi Mới on the nose. None of the machines in service seem to have this.
Above: CSR Builders photo. Note no DSVN road numbers.
In 2011 additional locomotives are under construction, with possibly 20 to be built. As at 22-12-11, 961,962,963,964 and 965 have been sighted. These additional machines all carry the Gia Lam/CSR builders plates. Changes seem to include a Type 1 headlight and no chromed 'radiator' on the nose (presumably this was cosmetic). If there will be 20 more this would bring the class up to 80, a significant number on any rail system. It's not known if there are any mechanical changes from the earlier units.
Above: 'Type 2' D19E - D19E-945 on shed in HanoiDATA:
Above: Nose view of new unit 962. Note lack of 'radiator' and original headlight.
Above: Brand new D19E-962 (note earlier type headlight and lack of 'radiator')
Above: Brand new D19E-964 presumably in Gia Lam Workshop ready for service.
Above: Builder's plate of D19E-962
Click on Thumbnails for full size Images
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 happened if two classes had a 2-8-2 wheel arrangement I'm not sure. It didn't happen so wasn't a problem?
Apparently if two classes had the same wheel arrangement then an road numbers were used to identify individual locomotives.. e.g. There is reference to a 231.300 class.
But letters were also used e.g. 141 class is also known as the ZL class in the North!.
Diesel locomotives have a completely dfferent clasification system.
All diesel classes start with the letter 'D' (for diesel or dau may) 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.
Before 1975 again the French Diesel classification was used in the south e.g. 'BB907' class instead of D9E. BB refers to the B-B wheel arrangement of the locomotive plus the first road number of the class. It would appear that the classes in the south were converted to the "D" system pretty soon after re-unification in 1975. What system was used in the north during the war I'm still not clear about.
Railways in Vietnam
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