30 CFR § 75.1404 - Automatic brakes; speed reduction gear.

---
identifier: "/us/cfr/t30/s75.1404"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 75.1404 - Automatic brakes; speed reduction gear."
title_number: 30
title_name: "Mineral Resources"
section_number: "75.1404"
section_name: "Automatic brakes; speed reduction gear."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "O"
subchapter_name: "COAL MINE SAFETY AND HEALTH"
part_number: "75"
part_name: "MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811, 813(h), 957."
regulatory_source: "35 FR 17890, Nov. 20, 1970, unless otherwise noted."
cfr_part: "75"
---


# 75.1404 Automatic brakes; speed reduction gear.

****[Statutory Provisions]

Each locomotive and haulage car used in an underground coal mine shall be equipped with automatic brakes, where space permits. Where space does not permit automatic brakes, locomotives and haulage cars shall be subject to speed reduction gear, or other similar devices approved by the Secretary, which are designed to stop the locomotives and haulage cars with the proper margin of safety.