49 CFR 230.98: Driving, trailing, and engine truck axles.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS
- Subpart C—Steam Locomotives and Tenders
(a) Condemning defects. Driving, trailing, and engine truck axles with any of the following defects shall be removed from service immediately and repaired (see appendix A of this part for inspection requirements):
(1) Bent axle;
(2) Cut journals that cannot be made to run cool without turning;
(3) Transverse seams in iron or steel axles;
(4) Seams in axles causing journals to run hot;
(5) Axles that are unsafe on account of usage, accident or derailment;
(6) Any axle worn 1/2 inch or more in diameter below the original/new journal diameter, except as provided in paragraph (a)(7) of this section;
(7) Any driving axles other than main driving axles with an original or new diameter greater than 6 inches that are worn 3/4 inch or more in diameter below the original/new diameter.
(b) Journal diameter stamped. For steam locomotives with plain bearings, the original/new journal diameter shall be stamped on one end of the axle no later than January 18, 2005.
Collected 2026-08-27T02:26:34Z. Source file · JSON