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CMR Line SS6B

Prototype Information

The SS6B electrics are a smaller class of electric locomotive with 201 examples built between 1994 and 2002 by both Zhuzhou and Datong locomotive works. These were an improved SS6 class and took over production in place of the SS6. Externally they can be distinguished from the standard SS6 by the more angled cab, much like the SS4 locomotives. The class wear an attractive dark red/white livery. They are not an overly widespread class and many of the class work in central China with large numbers of the class in Wuhan, Guangzhou, Zhengzhou and Xian areas, although withdrawals are commencing in favour of the newer HXD series of electric locomotives.

Model Production Summary

Release Date Production Number Production Run Scale Road #s Bureau Builder
May 2015 TX00501A001 1st HO (1:87) 1001 Zhengzhou Zhuzhou
" " TX00501A002 " " " " 1002 Xian " "
" " TX00501A003 " " " " 1008 " " " "
" " TX00501B001 " " " " 1066 Guangzhou " "
" " TX00501B002 " " " " 1086 " " " "
" " TX00501B003 " " " " 1095 Wuhan " "
" " TX00501B004 " " " " 1099 " " " "
" " TX00501B005 " " " " 1100 Zhengzhou " "
" " TX00501D001 " " " " 1111 "Pioneer" " " " "
" " TX00501C001 " " " " 6001 Guangzhou Datong
" " TX00501C002 " " " " 6010 " " " "
" " TX00501C003 " " " " 6022 Wuhan " "
" " TX00501C004 " " " " 6025 " " " "
" " TX00501C005 " " " " 6026 " " " "

Model Review

General

After a bit of a break from building locomotives, CMR Line returned with the very pretty SS6B locomotive. I was quite interested to see the overall quality from their earlier SS3 locomotives from a few years prior. CMR were generous with the amount of road numbers , fourteen different versions over a range of different bureaus and both manufacturers (Datong and Zhuzhou locomotive works) with only one of those being a decorated version. The one piece body sits on a nice heavy diecast frame. The feel of the frame is very good now and is almost at the quality of Bachmann.

Details
Details are improved in most areas from their SS3 locomotive, however there are a couple of disappointments. Starting from the top, the pantographs are reasonably strong and good looking, apart from a very unrealistic and ugly pantograph mount. CMR were aware of the criticism from the SS3 pantographs, but I'm unsure why they've gone to this extreme with the mount while leaving the major problem with these pantographs unchecked. More of that in the performance section.

Roof detail is not too bad. CMR have abandoned the idea of separate walkways on the roof, which is a shame, but hardly surprising from the problems they had with them in the SS3. They now form part of the shell and don't look overly convincing to me. The insulators look fairly good, but I will most likely paint mine to get rid of the plastic look. Air horns are very good as are the brake resistor grids, aerials, and air conditioners - and how thoughtful of them to actually glue them on for us this time!

The cab sides are very nice, with very sharp body detail. The handrails are superb, with the majority of them painted in the correct colors. Windshield wipers are exquisite and I'm very impressed with the window surrounds being chrome on the side windows and black on the front. The headlights and marker lights are very nicely reproduced and the pilots are also very good. Bogie details are great with real spoked wheels, traction bars and very fine brass ladders. My only criticism is the copper electrical contacts are visible and could have quite easily been designed to remain hidden.

The paint work is a bit of a mixed bag. It is certainly improved from the SS3's, being a better quality paint and more evenly applied, however there are a few very small areas with mishaps, over spray and under spray. The lettering is very sharp and ultra small on the front of the locomotive around the air hoses/coupler. Given these locomotives have rather chunky side number plates, its a bit disappointing that they are simply painted on. While it is sharp, it could have been a very cool touch with little effort by either supplying separate brass types or at the very least embossing the casting in the areas and then painting on. It would have been nice at least for the decorated version to have these. Speaking of the decorated version, which is so far the only example of this model that I own, the Pioneer badge looks good from a distance but is extremely thick upon closer inspection.

Performance
The model runs very well in both directions and is very powerful, many thanks to the heavy weight of the model. There are no traction tires and due to lack of layout I've only been able to perform basic tests. There is a very slight noise from the gear box, but after a quick service this went away and has been silent ever since.

As for the pantographs previously mentioned, it appears that while the pantographs are stronger, I am still very hesitant to use them. My example seems more sturdy than the SS3 locomotives and they spring up quite happily, however the pantograph blades are also very sharp and have a tendency to scrape along the contact wire, rather than glide underneath it. The result can mean even the slightest imperfection will see it ripped apart. I'm considering upgrading the pantographs on mine to a German brand once I can be bothered. I would like to hear from anyone who actually uses these (either powered or not) for your thoughts.

Electronics

Power is ferried from the rails (or pantograph and rail if you wish) via a circuit board to the motor and the lighting system. There is a selector switch on the circuit board to allow the change between pantograph and wheel power, note this requires removal of the shell. DCC is easy to install with an 8 pin type. At the time of writing, I have not converted my example to run on DCC, however it is a priority for me in order to activate a very cool feature so far unseen on other Chinese locomotives - bogie lights! However, there is a pretty well documented fault with DCC. It's a relatively easy fix and you can find more instructions here on the China Rail Forum website.

The lighting system is very nice, even without the bogie lights, with a very strong white LED for the main headlight and more yellowish marker lights for forward direction and red for reverse. Lighting is directional.

Coupler Conversion
For some reason, most likely cost, CMR have ditched the metal knuckle couplers in favour of plastic ones. They appear to have long shanks, and could most likely be reduced to a medium type for closer coupling while still maintaining a good clearance. For those who want the genuine KD's with scale heads, a 58/158 does the trick nicely (or is you still want the long shank type, go for #56/156's).

Other Notes
A great looking model. Definitely an improvement over the SS3, but room for more.

Review Summary


The Good News

The Bad News
Greatly improved quality Pantograph system scares me. A lot.
Some brilliant details and features Some other details could have been a lot better
Overall good value Small flaw with the DCC/bogie lights, although fairly easy to remedy
Excellent packaging Quality control, particularly on the paint

Model Photos


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