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Regulations

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PART 393 -- : Title (PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION)

Subpart A - General

393.1 - Scope of the rules of this part.

393.3 - Additional equipment and accessories.

393.5 - Definitions.

393.7 - Matter incorporated by reference.

Subpart B - Lighting Devices, Reflectors, and Electrical Equipment

393.9 - Lamps operable.

393.11 - Lighting devices and reflectors.

393.13 - Retroreflective sheeting and reflex reflectors, requirements for semitrailers and trailers manufactured before December 1, 1993.

393.17 - Lamps and reflectors -- combinations in driveaway-towaway operation.

393.19 - Requirements for turn signaling systems.

393.20 - Clearance lamps to indicate extreme width and height.

393.22 - Combination of lighting devices and reflectors.

393.23 - Lighting devices to be electric.

393.24 - Requirements for head lamps and auxiliary road lighting lamps.

393.25 - Requirements for lamps other than head lamps.

393.26 - Requirements for reflectors.

393.27 - Wiring specifications.

393.28 - Wiring to be protected.

393.29 - Grounds.

393.30 - Battery installation.

393.31 - Overload protective devices.

393.25 - Requirements for lamps other than head lamps.

393.26 - Requirements for reflectors.

393.27 - Wiring specifications.

393.28 - Wiring to be protected.

393.29 - Grounds.

393.30 - Battery installation.

393.31 - Overload protective devices.

393.32 - Detachable electrical connections.

393.33 - Wiring, installation.

Subpart C - Brakes

393.40 - Required brake systems.

393.41 - Parking brake system.

393.42 - Brakes required on all wheels.

393.43 - Breakaway and emergency braking.

393.44 - Front brake lines, protection.

393.45 - Brake tubing and hose, adequacy.

393.46 - Brake tubing and hose connections.

393.47 - Brake lining.

393.48 - Brakes to be operative.

393.49 - Single valve to operate all brakes.

393.50 - Reservoirs required.

393.51 - Warning devices and gauges.

393.52 - Brake performance.

393.53 - Automatic brake adjusters and brake adjustment indicators.

393.55 - Antilock brake systems.

Subpart D - Glazing and Window Construction

393.60 - Glazing in specified openings.

393.61 - Window construction.

393.62 - Window obstructions.

393.63 - Windows, markings.

Subpart E - Fuel Systems

393.65 - All fuel systems.

393.67 - Liquid fuel tanks.

393.69 - Liquefied petroleum gas systems.

Subpart F - Coupling Devices and Towing Methods

393.70 - Coupling devices and towing methods, except for driveaway-towaway operations.

393.71 - Coupling devices and towing methods, driveaway-towaway operations.

Subpart G - Miscellaneous Parts and Accessories

393.75 - Tires.

393.76 - Sleeper berths.

393.77 - Heaters.

393.78 - Windshield wipers.

393.79 - Defrosting device.

393.80 - Rear-vision mirrors.

393.81 - Horn.

393.82 - Speedometer.

393.83 - Exhaust systems.

393.84 - Floors.

393.86 - Rear impact guards and rear end protection.

393.87 - Flags on projecting loads.

393.88 - Television receivers.

393.89 - Buses, driveshaft protection.

393.90 - Buses, standee line or bar.

393.91 - Buses, aisle seats prohibited.

393.92 - Buses, marking emergency doors.

393.93 - Seats, seat belt assemblies, and seat belt assembly anchorages.

393.94 - Vehicle interior noise levels.

Subpart H - Emergency Equipment

393.95 - Emergency equipment on all power units.

Subpart I - Protection Against Shifting or Falling Cargo

393.100 - General rules for protection against shifting or falling cargo.

393.102 - Securement systems.

393.104 - Blocking and bracing.

393.106 - Front-end structure.

393.108 - How is the working load limit of a tiedown determined?

393.110 - What else do I have to do to determine the minimum number of tiedowns?

393.112 - Must a tiedown be adjustable?

393.114 - What are the requirements for front end structures used as part of a cargo securement system?

393.116 - What are the rules for securing logs?

393.118 - What are the rules for securing dressed lumber or similar building products?

393.120 - What are the rules for securing metal coils?

393.122 - What are the rules for securing paper rolls?

393.124 - What are the rules for securing concrete pipe?

393.126 - What are the rules for securing intermodal containers?

393.128 - What are the rules for securing automobiles, light trucks and vans?

393.130 - What are the rules for securing heavy vehicles, equipment and machinery?

393.132 - What are the rules for securing flattened or crushed vehicles?

393.134 - What are the rules for securing roll-on/roll-off or hook lift containers?

393.136 - What are the rules for securing large boulders?

Subpart J - Frames, Cab and Body Components, Wheels, Steering, and Suspension Systems

393.201 - Frames.

393.203 - Cab and body components.

393.205 - Wheels.

393.207 - Suspension systems.

393.209 - Steering wheel systems.


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