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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