UIC 644

Railway Coach Bogie Behavior Assessment

This standard specifies the behavior and performance requirements for Y25 bogie type coaching stock bogies, focusing on derailment resistance, curving performance, and stability characteristics. It provides test methods and acceptance criteria for evaluating bogie performance through simulation, calculation, and track testing to ensure safe operation across varying track geometries and speeds. Compliance verification is mandatory for coach manufacturers, bogie suppliers, and infrastructure operators to maintain interoperability and prevent accidents. Accredited testing ensures comprehensive evaluation against standardized criteria, reducing operational risks and supporting evidence-based vehicle certification.

What it measures

  • Derailment coefficient and safety margin against derailment
  • Lateral and vertical wheel loads on curves
  • Curve-climbing behavior and stability
  • Dynamic response to track irregularities and switches
  • Forces on bogie frame and guidance components
🇩🇪 DIN EN 14363 🇬🇧 BS EN 14363 🇫🇷 NF EN 14363 🇮🇹 UNI EN 14363 🇪🇸 UNE EN 14363 🇳🇱 NEN EN 14363
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FORGES DES ARDENNES ET DU NORD

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COFRAC 1-1428 Charleville-Mezieres, FR
DIN EN ISO 6508-1 ISO 18203 DIN EN ISO 6506-1 NF EN ISO 6892-1 (Méthodes A DIN EN ISO 1463 + 3 more
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FRAMATOME - Etablissement de Jeumont

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COFRAC 1-6523 Jeumont, FR
DIN EN ISO 6508-1 DIN EN ISO 3651-2 DIN EN ISO 4136 ISO 4969 DIN EN 10002-1 + 3 more
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FRAMATOME - Saint-Marcel

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COFRAC 1-6514 Saint-Marcel, FR
DIN EN ISO 6507-1 DIN EN ISO 643 NF EN ISO 6520-1 DIN EN ISO 17639 NF EN ISO 6520-2 + 3 more
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GINGER CEBTP

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COFRAC 1-0002 Elancourt, FR
DIN EN 1097-1 DIN EN ISO 10140-2 DIN EN 933-3 DIN EN 1097-2 DIN EN ISO 10140-4 + 3 more
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COFRAC 1-7433 Saint-Julien-Les-Metz, FR
DIN EN 14385 ETSI EN 301 489-1 V2.2.3 2019-11 NF X43-551 IS EN 1948-1:2006 2006 DIN EN 14789 + 3 more
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GRAND EST ANALYSES

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COFRAC 1-6977 Wintzenheim, FR
NF X 43-269 – Annexe K NF X 43-050 NF X43-050 (parties utiles de la
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COFRAC 1-6221 Strasbourg, FR
NF X43-050 (parties utiles de NF X 43-050 NF X43-050 (parties utiles de la
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IANESCO

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COFRAC 1-6209 Poitiers, FR
DIN EN ISO 17294-2 ISO 7086-2:2000 DIN EN ISO 14403-2 DIN EN ISO 13395 NF T 90-412 + 3 more
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COFRAC 1-0847 Foulayronnes, FR
NF X 45-301 NF X 45-302 NF X 45-303 ASTM F795-88 NF P 90-319 de 02/2011 + 3 more
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IGIENAIR LORRAINE

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COFRAC 1-6747 Atton, FR
NF EN 12469 Annexe G NF S 90-351 NF EN 12469 Annexe D NF X 15-206 DIN EN 14175-4 + 3 more
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IGIENAIR RHONE - ALPES

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COFRAC 1-6558 Bron, FR
NF EN 12469 Annexe G NF EN 12469 Annexe H NF EN 12469 Annexe D DIN EN 14175-4 NF S 90-351 + 3 more
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IGIENAIR SUD EST

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COFRAC 1-6559 Aix-En-Provence, FR
NF EN 12469 Annexe G NF S 90-351 NF EN 12469 Annexe D NF X 15-206 DIN EN 14175-4 + 3 more
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INOVALYS - Site de Nantes

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COFRAC 1-7140 Nantes Cedex 3, FR
NF V 05-116 NF V 04-415 NF V 04-407 NF V04-403 NF V04-401 + 3 more
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INOVALYS - Site de Vannes

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COFRAC 1-7142 Saint Ave, FR
NF V08-106 DIN EN ISO 17294-2 DIN EN ISO 21528-2 ISO 19343 NF T90-105-2 + 3 more
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INSTITUT MECASEM

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COFRAC 1-7322 Ostwald Cedex, FR
(BS EN ISO 6892-1: 2019) ASTM E8/E 8M DIN EN 10002-1 ASTM E8 et E8M DIN EN 2002-001 + 3 more
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INTERTEK FRANCE

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COFRAC 1-7401 Heudebouville, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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INTERTEK France

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COFRAC 1-1296 Heudebouville, FR
DIN EN ISO 1833-6 DIN EN ISO 1833-2 DIN EN ISO 1833-7 DIN EN ISO 1833-1 DIN EN ISO 1833-20 + 3 more
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ITGA NORMANDIE

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COFRAC 1-6304 Petit Couronne, FR
NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 NF X 43-269 - Annexe K
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Institut Technique des Gaz et de l'Air - ITGA - Site St Grégoire K

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COFRAC 1-5970 Saint-Gregoire, FR
ISO 22262-1 NF X 43-050 NF X43-050 (parties utiles de la
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Institut Technique des Gaz et de l'Air - ITGA - Site de Brest

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COFRAC 1-6090 Brest, FR
ISO 22262-1 NF X 43-050 NF X 43-269 – NF X43-050 (parties
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Institut Technique des Gaz et de l'Air - ITGA - Site de La Réunion

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COFRAC 1-6585 Sainte Marie, FR
ISO 22262-1 NF X 43-050 NF X 43-269 – NF X43-050 (parties utiles de
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Institut Technique des Gaz et de l'Air - ITGA - Site de Lille

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COFRAC 1-5971 Villeneuve D'Ascq, FR
NF X 43-269 DIN EN ISO 16017-1 NF X 43-007 NF X 46-032 NF X 43-298 + 3 more
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Institut Technique des Gaz et de l'Air - ITGA - Site de Metz

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COFRAC 1-6091 Metz, FR
NF X 43-269 DIN EN ISO 16017-1 NF X 43-007 NF X 43-298 NF X43-050 (parties utiles de + 3 more
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Institut Technique des Gaz et de l'Air - ITGA - Site de Meyreuil

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COFRAC 1-1029 Meyreuil, FR
NF X 43-269 DIN EN ISO 16017-1 NF X 43-298 NF X 46-032 ISO 22262-1 + 3 more
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Institut Technique des Gaz et de l'Air - ITGA - Site de Mérignac

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COFRAC 1-5968 Merignac, FR
NF X 43-269 DIN EN ISO 16017-1 NF X43-269 – Annexe NF X 43-007 NF X 43-298 + 3 more
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Industries

Coach and passenger vehicle manufacturers Bogie and suspension system suppliers Railway operators and depot maintenance Track infrastructure and maintenance organizations Vehicle type approval and certification bodies

Related Standards

  • UIC 518 Railway applications — Tests for the acceptance of running characteristics of railway vehicles
  • EN 14363 Railway applications — Running gear — Testing and validation of running behaviour and safety
  • UIC 505-1 Railway vehicles — gauge limits — Part 1: Rolling stock

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