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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Additional information on the potential catastrophic failure of 100-ton truck bolsters manufactured by National Castings of Mexico's (NCM) Sahagun, Mexico facility with Association of America Railroads (AAR) Identification Numbers B-2410 and B-2409 and Na

Document Series
Safety Advisories
Safety Advisory Number
Subject Motive Power and Equipment
bolster pattern ;� MP & E ;� freight car ; truck bolster
sa_2003_03.pdf (122.88 KB)

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact
Effective Date: Tuesday, November 18, 2003