Marking of main technical characteristics
The 5th - 8th digits in the wagon number denote the technical characteristics of the freight wagon.
The reference between this numerical marking and the letter marking also inscribed on the wagon body is published in Appendix G of Leaflet 438-2.
This appendix, which is regularly updated can be accessed as annexe P 9 on the ERA ERA European Railway Agency Website here.
N.B. The definition of the letter marking (category and index letters) is given in Appendix F of Leaflet 438-2.







