{"data":{"id":"us/49-cfr-229.57","jurisdiction":"us","citation":"49 CFR 229.57","heading":"Foundation brake gear.","body":"A lever, rod, brake beam, hanger, or pin may not be worn through more than 30 percent of its cross-sectional area, cracked, broken, or missing. All pins shall be secured in place with cotters, split keys, or nuts. Brake shoes shall be fastened with a brake shoe key and aligned in relation to the wheel to prevent localized thermal stress in the edge of the rim or the flange.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 229—RAILROAD LOCOMOTIVE SAFETY STANDARDS","Subpart C—Safety Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"8a762571a893d853afa385de808a667e7900077fb7adf43a11e976853b6943a4","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-229.55","next":"us/49-cfr-229.59"},"notice":"GroundRules: Original legal text. Not legal advice."}