GroundRules
49 CFR 230.99: Tender 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
The minimum diameters of axles for various axle loads shall be as follows:
Axle load (in pounds) Minimum diameter of journal (in inches) Minimum diameter of wheel seat (in inches) Minimum diameter of center (in inches)
50000 51⁄2 73⁄8 67⁄16
38000 5 63⁄4 57⁄8
31000 41⁄2 61⁄4 55⁄16
22000 33⁄4 5 43⁄8
15000 31⁄4 45⁄8 37⁄8
Collected 2026-08-27T02:26:34Z. Source file · JSON