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Federal regulations · Through 2026-08-25 · Newer source version available

49 CFR 229.55: Piston travel.

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Where this section sits in the code
  1. Title 49—Transportation
  2. Subtitle B—Other Regulations Relating to Transportation
  3. CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  4. PART 229—RAILROAD LOCOMOTIVE SAFETY STANDARDS
  5. Subpart C—Safety Requirements

(a) Brake cylinder piston travel shall be sufficient to provide brake shoe clearance when the brakes are released.

(b) When the brakes are applied on a standing locomotive, the brake cylinder piston travel may not exceed 1 1/2 inches less than the total possible piston travel. The total possible piston travel for each locomotive shall be entered on Form FRA F 6180-49A.

(c) The minimum brake cylinder pressure shall be 30 pounds per square inch.

Collected 2026-08-27T02:26:34Z. Source file · JSON

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