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Final Rule: Parts and Accessories Necessary for Safe Operation: Surge Brake Requirements


Federal Register: 72FR 9855
RIN: 2126-AA91
Docket #: FMCSA-2005-21323
(What is this?)
49 CFR Part: 393
 
Publication Date: 3/6/2007
Effective Date: 4/5/2007

Action:

Final rule

Summary:

FMCSA amends the Federal Motor Carrier Safety Regulations to allow the use of automatic hydraulic inertia brake systems (surge brakes) on trailers when the ratios of gross vehicle weight ratings (GVWR) for the towing-vehicle and trailer are within certain limits. A surge brake is a self-contained permanently closed hydraulic brake system activated in response to the braking action of the towing vehicle. The amount of braking force developed by the trailer surge- brake system is proportional to the ratio of the towing vehicle to trailer weight and deceleration rate of the towing vehicle. This action is in response to a petition for rulemaking from the Surge Brake Coalition (Coalition).
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Related Rulemakings


RINPublished Title Category
2126-AA91 10/07/2005 Parts and Accessories Necessary for Safe Operation: Surge Brake Requirements Notice of proposed rulemaking (NPRM); request for comments



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Examples: RIN 2126-AA78, Exemption


 
 
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