{"data":{"id":"us/40-cfr-1033.125","jurisdiction":"us","citation":"40 CFR 1033.125","heading":"Maintenance instructions.","body":"Give the owner of each new locomotive written instructions for properly maintaining and using the locomotive, including the emission-control system. Include in the instructions a notification that owners and operators must comply with the requirements of subpart I of this part 1033. The emission-related maintenance instructions also apply to any service accumulation on your emission-data locomotives, as described in § 1033.245 and in 40 CFR part 1065. If you equip your locomotives with a diagnostic system that will detect significant malfunctions in their emission-control systems, specify the extent to which your emission-related maintenance instructions include such diagnostics.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1033—CONTROL OF EMISSIONS FROM LOCOMOTIVES","Subpart B—Emission Standards and Related Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"931a7c6182a295ded9c8140aa41bf262afe98058a36e0074218ba3ddf8588b76","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1033.120","next":"us/40-cfr-1033.130"},"notice":"GroundRules: Original legal text. Not legal advice."}