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11.13.08.00.htm 11.13.08.00. Title 11 DEPARTMENT OF TRANSPORTATION Subtitle 13 MOTOR VEHICLE ADMINISTRATION ― VEHICLE EQUIPMENT Chapter 08 Vehicle Connecting Devices and Towing Methods Authority: Transportation Article, §12-104(b) and 24-107, Annotated Code of Maryland
11.13.08.01.htm 11.13.08.01. 01 Repealed..
11.13.08.02.htm 11.13.08.02. 02 Purpose, Scope, and Application.. A. The purpose of this chapter is to provide minimum requirements for motor vehicle connecting devices and towing methods and is designed to reduce towing and hitch related accidents.B. The scope of this chapter is directed to the regulation of trailer hitches and towing devices, towing methods, testing methods, certification requirements, installation compliance, and other requirements as defined in this chapter.C. This chapter applies t
11.13.08.03.htm 11.13.08.03. 03 Definitions.. A. In this chapter, the following terms have the meanings indicated.. B. Terms Defined.. 1) "Chain attaching means" means a bolt, hook, pin, hole, eye, clevis, bracket, bar, or any other device mounted on and used for anchoring or attaching safety chains to the towed or towing vehicle or hitch.2) "Coupling" means that part of the primary connecting system normally mounted on the trailer, such as a socket, by which the connection is actually made and including the su
11.13.08.04.htm 11.13.08.04. 04 Light Service Devices and Systems.. A. These systems are for use with trailers having a gross vehicle weight rating of 10,000 pounds or less. This includes, but is not limited to such types as the utility, boat, camping, travel, and other trailers which are normally towed by the conventional passenger car, or similarly constructed vehicle, or light-duty truck. This regulation is intended basically for the ball-and-socket type of primary connecting system, b
11.13.08.05.htm 11.13.08.05. 05 Hitches.. A. Hitch Rating. Hitches shall be rated by the maximum gross trailer weight (MGTW) and the maximum vertical load on hitch (tongue weight) each is qualified to tow.B. Hitch Strength Requirements. Each hitch, when subjected to a static bench test, shall conform to the minimum strength requirements contained in Table 2.C. Attachment of Hitch. Each hitch shall be attached to the structural member or members of the towing vehicle in such a manner that the tension, comp
11.13.08.06.htm 11.13.08.06. 06 Safety Chains and Attaching Means Required.. A. Strength Requirements. Each safety chain and each attaching means shall meet strength requirements as shown in Table 4.B. Installation and Connections. The means of attachment of safety chains shall be located equally distant from and on opposite sides of the longitudinal centerline of the towing vehicle and of the trailer, except that where a single length of safety chain is connected to one single means of attachm
11.13.08.07.htm 11.13.08.07. 07 Identification.. A. Device and Component Marking. Each coupling and each hitch shall be legibly and permanently marked on at least one hitch component or related component marketed with the hitch, as shown below. When hitch components (except hitch balls and their hardware) are marketed separately, the following markings shall also appear on at least one of the components in the package or marketing unit:
11.13.08.08.htm 11.13.08.08. 08 Identification Installation Maintenance Compliance.. A. Marking and Labelling. Each vehicle connecting device, method, or system shall be marked and labelled as required by Regulation .07 of this chapter. The marking and labelling shall show the responsible manufacturer. A pressure sensitive label will be acceptable if of a weather-resistant type which cannot be removed without destroying or defacing it.B. Installation and Maintenance.. 1) Manufacturer, Packager
11.13.08.09.htm 11.13.08.09. 09 Certification and Testing - Repealed..
11.13.08.10.htm 11.13.08.10. 10 Tables.. A. Table 1.. LIGHT SERVICE DEVICES BREAKING STRENGTH FOR COUPLINGS AND BALLS. Trailer Classification. Trailer Couplings Designation. Minimum Ball Diameter-Inches Where Ball-Type hitch is used). Minimum Breaking Point Requirements. Pounds. Class 1 2,000 lbs. or less MGTW). No. 1. 1-7/8. Longitudinal tension:. 6,000. Longitudinal Compression:. Transverse thrust:. 2,000. Vertical tension. 2,500. Vertical compression:. Class 2 2,001 thru 3,500 lbs. MGTW). No. 2.
11.13.08.9999.htm 11.13.08.9999. Administrative History Effective date: January 1, 1974. Regulation .01 repealed effective June 17, 1996 (23:12 Md. R. 871). Regulation .03 amended effective June 17, 1996 (23:12 Md. R. 871). Regulation .03B amended effective October 27, 2014 (41:21 Md. R. 1260). Regulation .07A amended effective June 17, 1996 (23:12 Md. R. 871) October 27, 2014 (41:21 Md. R. 1260)Regulation .08A amended effective October 27, 2014 (41:21 Md. R. 1260).
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