Section 75.1403-6 - Criteria-Self-propelled personnel carriers(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.