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Title 49--Transportation
CHAPTER III--FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION,
DEPARTMENT OF TRANSPORTATION
PART 393--PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION
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 | 393.1 | Scope of the rules in this part. |
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| 393.3 | Additional equipment and accessories. |
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| 393.5 | Definitions. |
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| 393.7 | Matter incorporated by reference. |
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| 393.9 | Lamps operable, prohibition of obstructions of lamps and reflectors. |
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| 393.11 | Lamps and reflective devices. |
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| 393.13 | Retroreflective sheeting and reflex reflectors, requirements for semitrailers and trailers manufactured before December 1, 1993. |
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| 393.17 | Lamps and reflectors--combinations in driveaway-towaway operation. |
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| 393.19 | Hazard warning signals. |
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| 393.22 | Combination of lighting devices and reflectors. |
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| 393.23 | Power supply for lamps. |
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| 393.24 | Requirements for head lamps, auxiliary driving lamps and front fog lamps. |
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| 393.25 | Requirements for lamps other than head lamps. |
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| 393.26 | Requirements for reflectors. |
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| 393.28 | Wiring systems. |
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| 393.30 | Battery installation. |
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| 393.40 | Required brake systems. |
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| 393.41 | Parking brake system. |
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| 393.42 | Brakes required on all wheels. |
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| 393.43 | Breakaway and emergency braking. |
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| 393.44 | Front brake lines, protection. |
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| 393.45 | Brake tubing and hoses; hose assemblies and end fittings. |
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| 393.47 | Brake actuators, slack adjusters, linings/pads and drums/rotors. |
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| 393.48 | Brakes to be operative. |
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| 393.49 | Single valve to operate all brakes. |
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| 393.50 | Reservoirs required. |
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| 393.51 | Warning signals, air pressure and vacuum gauges. |
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| 393.52 | Brake performance. |
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| 393.53 | Automatic brake adjusters and brake adjustment indicators. |
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| 393.55 | Antilock brake systems. |
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| 393.60 | Glazing in specified openings. |
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| 393.61 | Truck and truck tractor window construction. |
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| 393.62 | Emergency exits for buses. |
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| 393.65 | All fuel systems. |
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| 393.67 | Liquid fuel tanks. |
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| 393.68 | Compressed natural gas fuel containers. |
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| 393.69 | Liquefied petroleum gas systems. |
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| 393.70 | Coupling devices and towing methods, except for driveaway-towaway operations. |
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| 393.71 | Coupling devices and towing methods, driveaway-towaway operations. |
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| 393.75 | Tires. |
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| 393.76 | Sleeper berths. |
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| 393.77 | Heaters. |
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| 393.78 | Windshield wiping and washing systems. |
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| 393.79 | Windshield defrosting and defogging systems. |
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| 393.80 | Rear-vision mirrors. |
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| 393.81 | Horn. |
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| 393.82 | Speedometer. |
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| 393.83 | Exhaust systems. |
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| 393.84 | Floors. |
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| 393.86 | Rear impact guards and rear end protection. |
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| 393.87 | Warning flags on projecting loads. |
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| 393.88 | Television receivers. |
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| 393.89 | Buses, driveshaft protection. |
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| 393.90 | Buses, standee line or bar. |
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| 393.91 | Buses, aisle seats prohibited. |
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| 393.93 | Seats, seat belt assemblies, and seat belt assembly anchorages. |
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| 393.94 | Interior noise levels in power units. |
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| 393.95 | Emergency equipment on all power units. |
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| 393.100 | Which types of commercial motor vehicles are subject to the cargo securement standards of this subpart, and what general requirements apply? |
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| 393.102 | What are the minimum performance criteria for cargo securement devices and systems? |
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| 393.104 | What standards must cargo securement devices and systems meet in order to satisfy the requirements of this subpart? |
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| 393.106 | What are the general requirements for securing articles of cargo? |
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| 393.108 | How is the working load limit of a tiedown, or the load restraining value of a friction mat, determined? |
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| 393.110 | What else do I have to do to determine the minimum number of tiedowns? |
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| 393.112 | Must a tiedown be adjustable? |
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| 393.114 | What are the requirements for front end structures used as part of a cargo securement system? |
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| 393.116 | What are the rules for securing logs? |
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| 393.118 | What are the rules for securing dressed lumber or similar building products? |
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| 393.120 | What are the rules for securing metal coils? |
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| 393.122 | What are the rules for securing paper rolls? |
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| 393.124 | What are the rules for securing concrete pipe? |
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| 393.126 | What are the rules for securing intermodal containers? |
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| 393.128 | What are the rules for securing automobiles, light trucks and vans? |
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| 393.130 | What are the rules for securing heavy vehicles, equipment and machinery? |
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| 393.132 | What are the rules for securing flattened or crushed vehicles? |
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| 393.134 | What are the rules for securing roll-on/roll-off or hook lift containers? |
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| 393.136 | What are the rules for securing large boulders? |
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| 393.201 | Frames. |
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| 393.203 | Cab and body components. |
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| 393.205 | Wheels. |
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| 393.207 | Suspension systems. |
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| 393.209 | Steering wheel systems. |
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