There are two kinds of the following of number indication of the freight car.
1.old type---A manufacture number is increased to the series number, and this type is being written.Because a series number is hard to be understood in this type, it is being written on the right of the body separately.
Example
center of body right of
body
ワ ム ８２０１３ 形式ワム80000
*a *b *c *d
2.new type---A series number and a manufacture number are divided with the hyphen, and this type is being written.
Example
コ キ 104 - 232
*a *b *e *f
*a : use sign
| J-sign | use (example) | J-sign | use (example) |
| ワ | Wagon car | シ | Big freight car (transformer) |
| テ | Wagon car made of the iron | ク | Only fir automobile |
| レ | Refrigeration car | コ | Only for container |
| ツ | Ventilation car (vegetables) | ||
| カ | Livestock car (cow,ox,horse) | ヨ | Conductor car |
| ウ | Only for the pig | キ | Snowplow car |
| タ | Tank car (oil,chemicals) | ケ | Measurement of the weight car |
| ホ | Cereals or mineral car (flour,stone) | ヤ | Test and staff car |
| セ | Coal car | ソ | Crane car |
| ト | Cap-less car (truck) | ヒ | Assistance car |
| チ | Long freight car (rail,steel) | フ | with conductor room |
*b : Loading weight
| J-sign | nothing | ム | ラ | サ | キ |
| weight | lighter than 13t | 14t〜16t | 17t〜19t | 20t〜24t | heavier than 25t |
*c : Mixed indication
The number that a manufacture number was
added to the series number here is written.
*d : series indication
*e : series number
*f : manufacture number
Though it is usually a turn from No.1, for
example it is distinguished by the specification
in the number such as the 500's,the 1000's.
And the 900's are used for the trial production
car again.