49 CFR § 229.213
Locomotive manufacturing information
November 18, 2020
(a) Each railroad operating a locomotive subject to the requirements of this subpart must retain the following information:
(1) The date upon which the locomotive was manufactured or remanufactured;
(2) The name of the manufacturer or remanufacturer of the locomotive; and
(3) The design specification to which the locomotive was manufactured or remanufactured.
(b) The information required in paragraph (a) of this section must be located permanently in the locomotive cab or be provided within two business days upon request of FRA or an FRA-certified State inspector.
[71 FR 36914, June 28, 2006]