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Do Koki car colors have a meaning?


gavino200

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I'm talking about the freight car itself, not the freight containers. Is the color just random, or is there some logic to it?

 

Some are blue. I have these.

 

http://www.1999.co.jp/eng/10442788

 

Some are gray (grey)

 

http://www.1999.co.jp/eng/10470341

 

Yellow ones

 

http://www.1999.co.jp/eng/10415982

 

Brown

 

http://www.1999.co.jp/eng/10413709

 

 

Red

 

http://www.1999.co.jp/eng/10320582

 

Green

 

http://www.1999.co.jp/eng/10241009

 

Orange

 

http://www.1999.co.jp/eng/10241010

 

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Das Steinkopf

 The colours aren't random but were more about distinguishing different types, these days it does not really matter as JRF when they started to produce their own rolling stock (Koki 100 Series) to replace what they inherited from JNR originally painted their wagons Blue, it wasn't until almost halfway through the construction of the Koki 106 that Grey was adopted for the new standard livery. Since then all of the new rolling stock produced such as Koki 106 and Koki 107 is painted Grey, also of note is that any of the older  Koki 106's that were originally painted Blue go into the workshops for refurbishment are repainted Grey, mind you older 100 series wagons such as Koki 100-101's that go in for refurbishment are still painted Blue but with the JRF logo removed akin to the new build Koki 107's, I have seen some around Nagoya. There are two exceptions to the standard livery in that the Koki 110's are painted Yellow and the Koki 200's Red, the Koki 110's were more of an experimental class with only 5 built that toyed with the idea of using 15' containers instead of the standard 12' units, the yellow paint made them easy to distinguish from the Koki 106's which the design was mainly based on. The Koki 200's on the other hand are a much shorter wagon at about 43' in length as opposed to the 63' of the regular Koki's, they are primarily used for tank container traffic which being Red makes them easier to find when sorting wagons, this is especially handy when there is only 154 Koki 200's in service out of the 8,000 to 9,000 odd container flats that JRF has in their fleet.

 

With the Koki 50000 variants there was a reason for colour variation, the standard Koki 50000's were originally fitted with TR203 bogies that are rated to travel at 95km/h the bodies are painted a Reddish Brown livery and the bogies black. There were two conversions to increase speed and road handling, the Koki 250000 from 1987 were fitted with TR223 bogies so they could travel at 100km/h and were painted Green, the Koki 350000 from 1988 were fitted with TR223C bogies to travel at 110km/h and also had electromagnetic brakes and were painted Shonan Yellow. The Koki 250000's and Koki 350000's no longer exist as some were converted back to Koki 50000's or into a variety of Chiki's for rail transport some of them still sporting the green livery of the Koki 250000's. Another reason for the demise of these sub classes was the fitting of TR223F from 1991 and later TR223G bogies in 2001 to the standard Koki 50000's when they were being refurbished to improve their riding and load capabilities, not to mention the introduction of the newer Koki 100 Series designs.

Edited by Das Steinkopf
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