30 C.F.R. § 75.1403-6 Criteria—Self-propelled personnel carriers.
Title 30 - Mineral Resources
(a) Each self-propelled personnel carrier should: (1) Be provided with an audible warning device; (2) Be provided with a sealed-beam headlight, or its equivalent, on each end; (3) Be provided with reflectors on both ends and sides. (b) In addition, each track-mounted self-propelled personnel carrier should: (1) Be provided with a suitable lifting jack and bar, which shall be secured or carried in a tool compartment; (2) Be equipped with 2 separate and independent braking systems properly installed and well maintained; (3) Be equipped with properly installed and well-maintained sanding devices, except that personnel carriers (jitneys), which transport not more than 5 men, need not be equipped with such sanding device; (4) If an open type, be equipped with guards of sufficient strength and height to prevent personnel from being thrown from such carriers.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart O—Hoisting and Mantrips
§ 75.1403-6 Criteria—Self-propelled personnel carriers.

