49 C.F.R. § 230.99
Current through May 31, 2024
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 | 5 1/2 | 7 3/8 | 6 7/16 |
| 38000 | 5 | 6 3/4 | 5 7/8 |
| 31000 | 4 1/2 | 6 1/4 | 5 5/16 |
| 22000 | 3 3/4 | 5 | 4 3/8 |
| 15000 | 3 1/4 | 4 5/8 | 3 7/8 |
49 C.F.R. § 230.99