Source: https://www.govregs.com/regulations/49/393.5
Timestamp: 2020-02-28 10:24:44
Document Index: 708677922

Matched Legal Cases: ['§ 393', 'art 393', '§ 393', '§ 393', '§ 393', '§ 571', '§ 571']

49 CFR 393.5 - Definitions. § 393.5 - Definitions.
All TitlesTitle 49Chapter IIIPart 393Subpart A - General
View all text of Subpart A [§ 393.1 - § 393.7]
§ 393.5 - Definitions.
Clearance Lamps. Lamps that provide light to the front or rear, mounted on the permanent structure of the vehicle, such that they indicate the overall width of the vehicle.
Hazard warning signal. Lamps that flash simultaneously to the front and rear, on both the right and left sides of a commercial motor vehicle, to indicate to an approaching driver the presence of a vehicular hazard.
Head lamps. Lamps used to provide general illumination ahead of a motor vehicle.
Identification lamps. Lamps used to identify certain types of commercial motor vehicles.
Low chassis vehicle. (1) A trailer or semitrailer manufactured on or after January 26, 1998, having a chassis which extends behind the rearmost point of the rearmost tires and which has a lower rear surface that meets the guard width, height, and rear surface requirements of § 571.224 in effect on the date of manufacture, or a subsequent edition.
(1) Upper-half. Upper-half of a “saddle-mount” means that part of the device which is securely attached to the towed vehicle and maintains a fixed position relative thereto, but does not include the “king-pin;”
(2) Lower-half. Lower-half of a “saddle-mount” means that part of the device which is securely attached to the towing vehicle and maintains a fixed position relative thereto but does not include the “king-pin;” and
(3) King-pin. King-pin means that device which is used to connect the “upper-half” to the “lower-half” in such manner as to permit relative movement in a horizontal plane between the towed and towing vehicles.
Side marker lamps. Lamps mounted on the side, on the permanent structure of the motor vehicle as near as practicable to the front and rear of the vehicle, that provide light to the side to indicate the overall length of the motor vehicle.
Special purpose vehicle. (1) A trailer or semitrailer manufactured on or after January 26, 1998, having work-performing equipment that, while the motor vehicle is in transit, resides in or moves through the area that could be occupied by the horizontal member of the rear impact guard, as defined by the guard width, height and rear surface requirements of § 571.224 (paragraphs S5.1.1 through S5.1.3), in effect on the date of manufacture, or a subsequent edition.
Stop lamps. Lamps shown to the rear of a motor vehicle to indicate that the service brake system is engaged.
Tail lamps. Lamps used to designate the rear of a motor vehicle.
Turn signals. Lamps used to indicate a change in direction by emitting a flashing light on the side of a motor vehicle towards which a turn will be made.
Vehicle safety technology. Vehicle safety technology includes a fleet-related incident management system, performance or behavior management system, speed management system, lane departure warning system, forward collision warning or mitigation system, active cruise control system, and transponder.
Wheels back vehicle. (1) A trailer or semitrailer manufactured on or after January 26, 1998, whose rearmost axle is permanently fixed and is located such that the rearmost surface of the tires (of the size recommended by the vehicle manufacturer for the rear axle) is not more than 305 mm (12 inches) forward of the transverse vertical plane tangent to the rear extremity of the vehicle.