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
1,399 Accredited labs
17 Countries

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Microbiological Solutions

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UKAS 4045 Walmersley, GB
1) TM 5.4.1 based on BS EN ISO 21149:2017+Amd1:2022 DIN EN 13704 DIN EN 13727 DIN EN 1656 + 3 more
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Micron Analytical

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UKAS 4007 Scunthorpe, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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Micron Analytical

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UKAS 0405 Scunthorpe, GB
(HSG 264, 2012)
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Microtech Services (Wessex)

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UKAS 1899 Bournemouth, GB
ISO 7251 # = 100 A ISO 6888-3 1) A:2b based on ISO 4833-2:2013 Amd 1:2 2) A:6c based on ISO 21528-1:2017 by mos + 1 more
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Mimete Srl Unipersonale

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ACCREDIA 01676 Biassono, IT
ASTM B212-21 ASTM E1019-24 ASTM B527-24 BS EN ISO 3923-1 ASTM B417-22 + 3 more
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Minebea Intec Bovenden

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DAkkS D-K-20451-01-00 Bovenden, DE
Konventioneller Wägewert/ Massenormale Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO + 3 more
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Ministerium für Soziales, Gesundheit und Integration Baden-Württemberg Landesgesundheitsamt Baden-Württemberg

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DAkkS D-ML-19288-01-00 Stuttgart, DE
Bacillus cereus Toxin Clostridium perfringens Salmonella spp. Shigella spp. Staphylococcus aureus Toxin + 3 more
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Ministero della Difesa - Comando per le Operazioni in rete - Secure COR Lab

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ACCREDIA 02288 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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Mitie Environmental Services

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UKAS 0317 Derby, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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Mitutoyo Deutschland

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DAkkS D-K-15096-01-00 Neuss, DE
Parallelendmaße 0,5 mm DIN EN ISO 3650:1999 Parallelendmaße > 10 mm Parallelendmaße > 100 mm + 3 more
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Mobiler Kalibrierdienst Fini

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DAkkS D-K-21161-01-01 Esslingen, DE
Gleichspannung 3 mV Messgeräte 10 mV > 100 mV > 220 mV > 11 V + 3 more
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MonTech Werkstoffprüfmaschinen GmbH Kalibrierlabor

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DAkkS D-K-11292-01-00 Buchen Odenwald, DE
Temperatur 50 °C Railway brake handbooks (UIC 547) 1) In den CMC sind die erweiterten Messu
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Murrelektronik GmbH Prüfzentrum (4)

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DAkkS D-PL-19306-01-00 Oppenweiler, DE
IEC 61000-4-2: 2008 VDE 0847-4-2 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 + 3 more
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Mühlenkreiskliniken AöR Institut für Laboratoriumsmedizin, Transfusionsmedizin und Mikrobiologie

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DAkkS D-ML-20225-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
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Müller-BBM Industry Solutions GmbH Prüflaboratorium für Schall und Schwingungen, Elektromagnetische Felder und Licht, Immissionsschutz und Gefahrstoffe

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DAkkS D-PL-14119-01-01 Planegg, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3 DIN ISO 8297 DIN EN ISO 12354-4 + 3 more
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München Klinik gGmbH Medizet - Institut für Laboratoriumsmedizin und medizinische Mikrobiologie

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DAkkS D-ML-13106-01-01 München, DE
Hämoglobin A1c Hämoglobin-Differenzierung Erythrozyten Basophile Granolozyten Eosinophile Granulozyten + 3 more
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N.V. Nederlandse Gasunie

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RvA I068 Groningen, NL
NEN 3650 NEN 1059 NEN 3656 NEN 3651 ISO 13480 + 2 more
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NATEC Sensors

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DAkkS D-K-15139-01-01 Garching, DE
Railway brakes — conditions for homologa − Durchfluss von Flüssigkeiten Gleichspannung U (Simulation des Signals generators) + 3 more
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NIPPON SANSO ESPAÑA, S.L. (Unipersonal)

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ENAC LC10.077 Madrid, ES
2 · 10–6 mol/mol  C  100 · 10–6 mol/mo 0,1 · 10–2 mol/mol < C  2,5 · 10–2 mol/ 1 · 10–6 mol/mol  C  100 · 10–6 mol/mo 5 · 10–6 mol/mol  C  20 · 10–6 mol/mol 0,15 · 10–2 mol/mol  C  20 · 10–2 mol/ + 3 more
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NORMEC QS

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RvA I248 Ede, NL
NEN-EN 13361 ISO 13362 NEN-EN 13491 DIN EN 13493 NEN-EN 13492 + 3 more
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NSF Wales Limited

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UKAS 0626 Newport, GB
BS EN ISO 7686:2005 DIN EN 997 DIN EN 13079 DIN ISO 10381-7 DIN EN 14622 + 3 more
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NTN EUROPE

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COFRAC 1-1247 Annecy, FR
DIN EN ISO 6508-1 DIN EN 12082
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Narda Safety Test Solutions

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DAkkS D-K-17726-01-00 Pfullingen, DE
Elektrische Feldstärke / 2 V/m 2,5 V/m 1 V/m Magnetische Feldstärke / + 3 more
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Nature’s Consultancy

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UKAS 10460 Romford, GB
(HSG 248) – 2021 (PCM) based on HSG 248 DOC/002 based on HSG 248)
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Navobi

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RvA L486 Ermelo, NL
AM09 based on BS ISO 21527-1: 07L.1.11 based on ISO 5984:2002 DIN EN ISO 11290-2 ISO 4833-1 DIN EN ISO 8968-1 + 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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