StacksVerified U.S. regulatory reference

49 CFR §230.76

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Minimum piston travel. The minimum piston travel shall be sufficient to provide proper brake shoe clearance when the brakes are released.
  2. (b)Maximum piston travel. The maximum piston travel when steam locomotive is standing shall be as follows: