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UIC ERA EVN VKM: Understanding Stock Numbering

John Chandler




JOHN CHANDLER unlocks these cryptic stock codes...

Introduction

In a previous article, Hunting Lions in Zürich, I showed photos of the locomotive numbers and listed the coach running numbers with the promise that I would compile a future article to explain these. Here we are!

European stock numbering

The loco's EVN and VKM.

The idea is that a unified system is used across Europe to uniquely identify any item of rolling stock/motive power.

Not only will this article (attempt to) explain the fields of the full number, it will also cover the calculation of the checksum (verification) digit that it includes.

Where possible, I have tried to reference data from the relevant administration authorities. However, this has not always been possible without cost, so some third-party information may be presented which is offered without guarantee of total accuracy but which shows a modicum of consistency with official data.

Glossary

Allow me to throw some acronyms into the fray; let's explain each:

UIC: A worldwide organisation including some 200+ members across all five continents.

ERA: An EU body concerned with the integration of railways across Europe.

EVN: European Vehicle Number; the numeric part of the number, excluding the VKM (q.v.). This comprises the total 11-digit number and the checksum digit.

VKM: Vehicle Keeper Mark; comprises a two-part alpha code to identify the country of origin and the operator within that country. Example: if the stock belongs to Switzerland's (CH) Südostbahn (SOB), it would show 'CH-SOB'.

RIV: Regolamento Internazionale Veicoli, the International Wagon Regulations for European rail freight wagons.

RIC: Regolamento Internazionale delle Carrozze, International Coach Regulations — technical requirements for passenger coaches in Europe.

Breaking Down The Numbers

In essence, regardless of whether you are looking at a locomotive, a coach or a wagon, its identifier breaks down into the following format (give-or-take a bit of generally cosmetic punctuation such as spaces or hyphens within the fields):

TT CC DDdd SSS-X VKM

where, field by field:

TT = Vehicle Type Codes. Herein lies a minefield, this field breaks down into a number of categories!

- 01-02 Freight: RIV-EUROP, 2-3 axles, railway-owned
- 03-04 Freight: RIV-EUROP, 2-3 axles, privately-owned
- 05-06 Freight: RIV-EUROP, 2-3 axles, rental
- 11-12 Freight: RIV-EUROP, 4+ axles, railway-owned
- 13-14 Freight: RIV-EUROP, 4+ axles, privately-owned
- 15-16 Freight: RIV-EUROP, 4+ axles, rental
- 21-22 Freight: RIV, 2-3 axles, railway-owned
- 23-24 Freight: RIV, 2-3 axles, privately-owned
- 25-26 Freight: RIV, 2-3 axles, rental
- 31-32 Freight: RIV, 4+ axles, railway-owned
- 33-34 Freight: RIV, 4+ axles, privately-owned
- 35-36 Freight: RIV, 4+ axles, rental
- 40 Freight: domestic only (non RIV), 2-3 axles, service
- 41-42 Freight: domestic only (non RIV), 2-3 axles, railway-owned
- 43-44 Freight: domestic only (non RIV), 2-3 axles, private
- 45-46 Freight: domestic only (non RIV), 2-3 axles, rental
- 50 Passenger: domestic use only (non RIC)
- 51 Passenger: international use (RIC), fixed gauge
- 52 Passenger: international use (RIC), changeable gauge
- 61 Passenger: EuroCity coach, fixed gauge
- 62 Passenger: EuroCity coach, changeable gauge
- 65 Passenger: Automobile transport car for passenger trains
- 71 Passenger: Sleeping-car in ex-TEN pool, fixed gauge
- 72 Passenger: Sleeping-car in ex-TEN pool, changeable gauge
- 73 Passenger: EuroCity cars, pressure-proof (airtight)
- 80 Freight: domestic only (non RIV), 4+ axles, service
- 81-82 Freight: domestic only (non RIV), 4+ axles, railway-owned
- 83-84 Freight: domestic only (non RIV), 4+ axles, private
- 85-86 Freight: domestic only (non RIV), 4+ axles, rental
- 90: Various motorized stock
- 91: Electric locomotives
- 92: Diesel locomotives
- 93: High speed electric trainsets
- 94: Other electric trainsets and motor cars
- 95: Diesel trainsets and motor cars
- 96: Special trailers
- 97: Departmental electric locomotives
- 98: Departmental diesel locomotives
- 99: Maintenance vehicles

CC - Country Code

- 10 FIN Finland (VR)
- 20 RUS Russia (RZD)
- 21 SU Belarus (BC)
- 22 UA Ukraine (UZ)
- 23 MD Moldova (CFM)
- 24 LT Lithuania (LG)
- 25 LV Latvia (LDZ)
- 26 EST Estonia (EVR)
- 27 KZ Kazakhstan (KTZ)
- 28 GE Georgia (GR)
- 29 UZ Uzbekistan (UTI)
- [30 KNDR - Zosun Minzuzui Inmingonghoagug (North Korea)]
- [31 MNR - Mongolin Tomor Zam (Mongolia)]
- [32 DSVN - Dung Sat Viet-Nam (Vietnam)]
- [33 KNR - Zhung Guo Tie Lu (China)]
- [40 FC - Ferrocariles de Cuba (Cuba)]
- 41 AL Albania (HSH)
- [42 JR - Japan Rail (Japan)]
- 50 BIH Bosnia-Hercegovina (ZRS)
- 51 PL Poland (PKP)
- 52 BG Bulgaria (BDZ)
- 53 RO Romania (CFR)
- 54 CZ Czech Republic (CD)
- 55 H Hungary (MAV)
- 56 SK Slovakia (ZSR)
- 57 SU Azerbaijan (AZ)
- 58 ARM Armenia (ARM)
- 59 KS Kyrgystan (KRG)
- 60 IRL Ireland (IE)
- [61 KNR (South Korea)]
- 65 MK Macedonia(FYROM) (MZ)
- 66 TJ Tadjikistan (TZD)
- 67 TM Turkmenistan (TRK)
- 70 GB Great Britain (BR-EWS)
- 71 E Spain (RENFE)
- 72 YU Serbia/Montenegro (ZS)
- 73 GR Greece (OSE)
- 74 S Sweden (SJ-GC)
- 75 TR Turkey (TCDD)
- 76 N Norway (NSB)
- 78 HR Croatia (HZ)
- 79 SLO Slovenia (SZ)
- 80 D Germany (DB-BASF)
- 81 A Austria (ÖBB)
- 82 L Luxemburg (CFL)
- 83 I Italy (FS)
- 84 NL Netherlands (NS)
- 85 CH Switzerland (SBB-BLS)
- 86 DK Denmark (DSB)
- 87 F France (SNCF)
- 88 B Belgium (SNCB)
- [90 ER - Egypt Railways (Egypt)]
- [91 SNCFT - Societe Nationale des Chemins de fer Tunisiens (Tunesia)]
- [92 SNTF - Societe Nationale des Transports Ferroviaires (Algeria)]
- [93 ONCFM - Office National des Chemins de fer du Maroc (Morocco)]
- 94 P Portugal (CP)
- [95 IR - Israel Railways (Israel)]
- [96 RAI - Rahahane Djjomhouriye Eslami Iran (Iran)]
- [97 CFS - Administration Generale des Chemins de Fer Syriens (Syria)]
- [98 CEL - Office des Chemins de fer de l'Etat Libanais (Lebanon)]
- [99 IRR - Iraqi Republic Railways Establishment (Iraq)]

DDdd = Class Code (varies between motive power, freight and passenger rolling stock) For motorized railway stock, this is the class number.

- DD:

- Freight cars
- 0 T car with opening roof
- 1 G closed wagon
- 2 H special closed wagon (sliding walls etc)
- 30-34 K 2 axle flat car
- 35-39 R 4 axle flat car
- 40-44 L 2 axe special flat car
- 45-49 S 4+ axle special flat car
- 50-55 E normal open car
- 56-58 T car with opening roof
- 59 E normal open car
- 6 F special open car
- 7 Z tank car
- 8 I isolated/refrigerator car
- 9 U special cars

- Passenger cars
- 00 Private postal car
- 01 Private 1st class coach
- 02 Private 2nd class coach
- 03 Private 1st/2nd class coach
- 04 Private 1st or 1st/2nd class couchette car
- 05 Private 2nd class couchette car
- 06 Private 1st class sleeping-car
- 07 Private 1st/2nd or 2nd class sleeping-car
- 08 Private dining-car
- 09 Private pullman/saloon/party/special car
- 10 1st class coach with 10 compartments or 20-21 rows
- 11 1st class coach with 11 compartments or 22-23 rows
- 12 1st class coach with 12 compartments or 24-25 rows
- 13 1st class coach, 3 axles
- 14 1st class coach, 2 axles
- 17 1st class coach with 7 compartments or 14-15 rows
- 18 1st class coach with 8 compartments or 16-17 rows
- 19 1st class coach with 9 compartments or 18-19 rows
- 20 2nd class coach with 10 compartments or 20-21 rows
- 21 2nd class coach with 11 compartments or 22-23 rows
- 22 2nd class coach with 12 compartments or 24-25 rows
- 23 2nd class coach, 3 axles
- 24 2nd class coach, 2 axles
- 26 2nd class double decker coach
- 27 2nd class coach with 7 compartments or 14-15 rows
- 28 2nd class coach with 8 compartments or 16-17 rows
- 29 2nd class coach with 9 compartments or 18-19 rows
- 30 1st/2nd class coach with 10 compartments or 20-21 rows
- 31 1st/2nd class coach with 11 compartments or 22-23 rows
- 32 1st/2nd class coach with 12 compartments or 24-25 rows
- 33 1st/2nd class coach, 3 axles
- 34 1st/2nd class coach, 2 axles
- 36 1st/2nd class double decker coach
- 37 1st/2nd class coach with 7 compartments or 14-15 rows
- 38 1st/2nd class coach with 8 compartments or 16-17 rows
- 39 1st/2nd class coach with 9 compartments or 18-19 rows
- 40 1st or 1st/2nd class couchette car with 10 compartments
- 41 1st or 1st/2nd class couchette car with 11 compartments
- 41 1st or 1st/2nd class couchette car with 12 compartments
- 43 1st or 1st/2nd class couchette car, 3 1st and 5 2nd class compartments
- 44 1st or 1st/2nd class couchette car, 4 1st and 5 2nd class compartments
- 45 1st or 1st/2nd class couchette car, 5 1st and 3 2nd class compartments
- 47 1st or 1st/2nd class couchette car with 7 compartments
- 48 1st or 1st/2nd class couchette car with 8 compartments
- 49 1st or 1st/2nd class couchette car with 9 compartments
- 50 2nd class couchette car with 10 compartments
- 51 2nd class couchette car with 11 compartments
- 52 2nd class couchette car with 12 compartments
- 53 2nd class couchette car with 10 1/2 compartments
- 54 2nd class couchette car with 11 1/2 compartments
- 57 2nd class couchette car with 7 compartments
- 58 2nd class couchette car with 8 compartments
- 59 2nd class couchette car with 9 compartments
- 60 1st class sleeping-car with 10 compartments
- 61 1st class sleeping-car with 11 compartments
- 62 1st class sleeping-car with 12 compartments
- 63 1st class sleeping-car with 9 compartments
- 64 1st class sleeping-car with 10 compartments
- 67 1st class sleeping-car with 7 compartments
- 68 1st class sleeping-car with 8 compartments
- 69 1st class sleeping-car with 9 compartments
- 70 1st/2nd or 2nd class sleeping-car with 10 compartments
- 71 1st/2nd or 2nd class sleeping-car with 11 compartments
- 72 1st/2nd or 2nd class sleeping-car with 12 compartments
- 73 1st/2nd or 2nd class sleeping-car with 10 compartments
- 74 1st/2nd or 2nd class sleeping-car with 11 compartments
- 77 1st/2nd or 2nd class sleeping-car with 7 compartments
- 78 1st/2nd or 2nd class sleeping-car with 8 compartments
- 79 1st/2nd or 2nd class sleeping-car with 9 compartments
- 80 Ambulance/Instruction coach
- 81 1st or 1st/2nd class coach with luggage compartment
- 82 2nd class coach with luggage compartment
- 83 2nd class coach with luggage compartment, 2 or 3 axles
- 84 1st class coach with buffet
- 85 2nd class coach with buffet
- 87 Dining-car with luggage room, 2nd class with buffet and luggage room
- 88 Dining-car
- 89 Party/Saloon car
- 90 Mail van
- 91 Luggage/mail van
- 92 Luggage van without side corridor
- 93 Luggage van, 2 or 3 axles
- 94 Luggage/mail van, 2 or 3 axles
- 95 Luggage van with side corridor and customs compartment
- 96 Automobile transport wagon, 2 axles
- 97 Automobile transport wagon, 3 axles
- 98 Automobile transport wagon, 4 axles
- 99 Exposition/Measurement/Special cars

- dd, Speed and heating (passenger)

- 00 : 120 km/h, 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 03-04 : 120 km/h, 1000V~17Hz
- 05 : 120 km/h, 1500V~50Hz
- 06 : 120 km/h, 1000V~17Hz & 1500V~50Hz & 1500V=
- 07 : 120 km/h, 1500V~50Hz & 1500V=
- 08-09 : 120 km/h, 3000V=
- 10 : 120 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 11-15 : 120 km/h, steam & 1000V~17Hz
- 16 : 120 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V=
- 17 : 120 km/h, steam & 1500V~50Hz & 1500V=
- 18-19 : 120 km/h, steam & 3000V=
- 20-25 : 120 km/h, steam only
- 26-28 : 120 km/h, steam & 1500V~50Hz
- 29 : 120 km/h, self-contained heating
- 30 : 140 km/h, 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 33-35 : 140 km/h, 1000V~17Hz
- 36 : 140 km/h, 1000V~17Hz & 1500V~50Hz & 1500V=
- 37 : 140 km/h, 1500V~50Hz & 1500V=
- 38 : 140 km/h, 3000V=
- 39 : 140 km/h, 1000V~17Hz & 3000V=
- 40-42 : 140 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 43 45 : 140 km/h, steam & 1000V~17Hz
- 46 : 140 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V=
- 47 : 140 km/h, steam & 1500V~50Hz & 1500V=
- 48 : 140 km/h, steam & 3000V=
- 50-52 : 140 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 53-54 : 140 km/h, steam & 1000V~17Hz
- 56 : 140 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V=
- 57 : 140 km/h, steam & 1500V~50Hz & 1500V=
- 58 : 140 km/h, steam & 3000V=
- 59 : 140 km/h, steam & 1000V~17Hz & 3000V=
- 60-68 : 140 km/h, steam only
- 69 : 140 km/h, self-contained heating
- 70-71 : 160 km/h, 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 73 : 160 km/h, 1000V~17Hz
- 74 : 160 km/h, 1500V~50Hz & 1500V=
- 75 : 160 km/h, 1000V~17Hz
- 76 : 160 km/h, 1000V~17Hz & 1500V~50Hz & 1500V=
- 77 : 160 km/h, 1500V~50Hz & 1500V=
- 78-79 : 160 km/h, 3000V=
- 80-81 : 160 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 84 : 160 km/h, steam only
- 85 : 160 km/h, steam & 1000V~17Hz
- 86 : 160 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V=
- 87 : 160 km/h, steam & 1500V~50Hz & 1500V=
- 88 : 160 km/h, steam & 3000V=
- 89 : 160 km/h, self-contained heating
- 90-91 : 200 km/h, 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 92 : 200 km/h, steam & 1000V~17Hz & 1500V~50Hz & 1500V= & 3000V=
- 93 : 200 km/h, steam & 1000V~17Hz
- 94-95 : 200 km/h, 1000V~17Hz
- 96 : 200 km/h, 1000V~17Hz & 1500V~50Hz & 1500V=
- 97 : 200 km/h, 1500V~50Hz & 1500V=
- 98 : 200 km/h, 3000V=
- 99 : 200 km/h, self-contained heating

SSS = Serial Number within Class: 000 thru'999.

X = The checksum digit is used to ensure that any attempt at automatically reading the EVN is achieved correctly. The following method is used:

1. Read the EVN: 91 85 4 420 220

2. Apply a multiplier: 21 21 2 121 212

3. Multiple each digit in the EVN by the corresponding digit in the multiplier: (9 x 2 =) 18, (1 x 1 =) 1, (8 x 2 =) 16, 5 8 4 4 0 4 2 0 (the results of the multiplications are presented individually)

4. Add the individual digits of the result: 1+8+1+1+6+5+8+4+4+0+4+2+0 = 44

5. Ignore the leading '4' in this case and subtract the remaining '4' from 10 to give...

European stock numbering

...a checksum of 6.

- References:

As stated above, where possible, I have tried to reference data from the relevant administration authorities. However, this has not always been practical and I would like to acknowledge www.railfaneurope.net/misc/uicnum.html as a major source of this detail.

John returns specifically to Swiss railways soon, as he is preparing an article on the Gotthard Line.

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