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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Städtisches Klinikum Dessau Institut für Klinische Chemie und Laboratoriumsdiagnostik

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DAkkS D-ML-17443-01-00 Dessau-Roßlau, DE
WBC (Leukozyten) RBC (Erythrocyten) HGB (Hb) HCT (Hk) PLT (Thrombozyten) + 3 more
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Suchy Messtechnik

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DAkkS D-K-23061-01-01 Lichtenau, DE
Druck 50 mbar Absolutdruck Pabs > 1,3 bar > 2,5 bar > 0,6 bar + 3 more
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Surrey County Council

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UKAS 0731 Guildford, GB
DIN EN 933-11 DIN EN 1097-6 DIN EN 1097-1 DIN EN 1097-2 DIN EN 933-3 + 3 more
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Swindon Asbestos Surveying

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UKAS 4608 Swindon, GB
(HSG 264, 2012)
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Sychem

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UKAS 25291 Chandler's Ford, GB
parameters and ranges)
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SysKal

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DAkkS D-K-21604-01-00 Steinheim an der Murr, DE
Hexagon Metrology Raumdiagonale von GmbH, Wetzlar, D ≤ 1500 mm Polyworks, Software von InnovMetric, Lindau, D PowerINSPECT, Software + 3 more
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Systems Engineering Kalibrierlaboratorium

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DAkkS D-K-19425-01-01 Stolberg, DE
- Gleichspannung > 0,1 V > 10 V > 100 V - Gleichstromstärke + 3 more
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Sächsisches Institut für die Druckindustrie GmbH -Institut des Vereins POLYGRAPH Leipzig e. V. - Prüflabor

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DAkkS D-PL-11119-01-00 Leipzig, DE
ISO 5-3 ISO 12647-1 ISO 13655
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Sächsisches Textilforschungsinstitut e. V. Prüfstelle

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DAkkS D-PL-11239-01-05 Chemnitz, DE
ISO 3074 DIN EN ISO 1833-4 DIN EN ISO 1833-5 DIN EN ISO 1833-6 DIN EN ISO 1833-7 + 3 more
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TAK CERT

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DAkkS D-K-20800-01-01 Bonn, DE
− Scheinwerfer-Einstell-Prüfsystem − Abgasmessgeräte für Fremdzündungsmotor − Abgasmessgeräte für Kompressionszündun Railway brake — magnetic track brakes (U nur Vor-Ort-Kalibrierungen + 3 more
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TC Laser

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DAkkS D-PL-22493-01-00 Eppertshausen, DE
DIN EN 50689 VDE 0837-689 DIN 56912 DIN EN 60825-1 VDE 0837-1 + 3 more
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TECYGES

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ENAC LC10.232 Zaragoza, ES
CEM Procedimiento
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TEMEKA Testen, Messen und Kalibrieren von Prüf- und Meßmitteln

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DAkkS D-K-15024-01-01 Heusweiler, DE
- Gleichspannung / Messgeräte 0,1 mV > 220 mV > 2,2 V + 3 more
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TERANA PUY-DE-DOME

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COFRAC 1-6120 Lempdes, FR
NF T 90-412 NF U47-101 DIN EN ISO 7899-1 DIN ISO 16649-2 DIN EN ISO 6888-2 + 3 more
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TES Time Elektronik Struck

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DAkkS D-K-15097-01-01 Pinneberg, DE
Elektrische Messgrößen Gleichstrom- und Niederfrequenzmessgröße Railway brake — magnetic track brakes (U − Gleichspannung − Gleichstromstärke + 3 more
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TEST & INNOVATION LAB SRL a socio unico

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ACCREDIA 01866 Prato, IT
ISO 17704 BS EN ISO 14362-1 ISO 1841-2 BS EN ISO 14362-3 ISO 16181-1 + 3 more
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THOR ESPECIALIDADES

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ENAC LE2333 Castellgalí, ES
DIN EN 16615 DIN EN 17658 DIN EN 13697 IEC 60127-6 DIN EN 13727 + 3 more
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TIMKEN EUROPE RAIL APPLICATION TEST LABORATORY

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COFRAC 1-2004 Colmar, FR
DIN EN 12082
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TIRA

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DAkkS D-K-17684-01-00 Schalkau, DE
Kraft (WPM) Kraftmesseinrichtungen von Werkstoffprüfmaschinen Acoustics — tonality assessment (DIN 456 Länge (WPM) + 3 more
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TLR International Laboratories

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RvA L059 Rotterdam, NL
DIN EN ISO 3596 DIN EN ISO 14780 BS ISO 18283:2022 DIN EN ISO 10893-6 DIN EN 61442 + 3 more
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TOXILABO

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COFRAC 1-1941 Nantes, FR
NF ISO 21438-3 NF X 43-264 NF ISO 21438-1 ISO 16200-2 NF ISO 21438-2 + 3 more
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TRAC Associates

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UKAS 8644 Bury, GB
(HSG 264, 2012) HSG 264 (2012) and Appx. 3 of HSG 227 (2004))
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TRESCAL ESPAÑA DE METROLOGIA S.L. (Unipersonal)

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ENAC LC10.078 Illescas, ES
UNE-EN ISO 868 ASTM D 2240 ISO 48-9 UNE 7050-3 UNE-EN ISO 10360-2 + 3 more
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TUV ITALIA SrL

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ACCREDIA 00173 Brugine, IT
ETSI EN 301 489-1: V2.2.3 IEC 62109-1 DIN EN 50178: 1998 IEC 61000-4-16: 2015 IEC 62109-2 + 3 more
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TUV Rheinland Italia

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ACCREDIA 00321 Pogliano Milanese, IT
IEC 60335-2-51 DIN EN 60068-2-30 IEC 61000-6-1 IEC 60335-2-54: 2008 DIN EN 50564 + 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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