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ISO 1726-1:2000

Current Date published:

Road vehicles — Mechanical coupling between tractors and semi-trailers — Part 1: Interchangeability between tractors and semi-trailers for general cargo

This International Standard specifies dimensions to ensure interchangeability between a tractor vehicle and a

coupled semi-trailer, the two together constituting an articulated vehicle. It specifies certain interchangeability

dimensions, including those of the gooseneck contour, as well as operating dimensions related to angle values. The

specifications permit the same semi-trailer to be used with either two- or three-axle tractors.

Annex A gives interface technical specifications for tractors designed for towing high-cube semi-trailers, including

ISO containers having an external height of 2,9 m.

This International Standard covers articulated vehicles used in commercial cargo transport of the greatest possible

variety. However, it may not be applicable to special combination types such as low-bed or tipper vehicles.

This International Standard does not provide limitations of maximum gross mass and overall dimensions, which are

generally laid down by legislative requirements.

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Related Information

Similar Standards

  • AS/NZS 4968.1:2003

    Heavy-road vehicles - Mechanical coupling between articulated vehicle combinations - Design criteria and selection requirements for fifth wheel, kingpin and associated equipment

  • AS/NZS 4968.2:2003

    Heavy-road vehicles - Mechanical coupling between articulated vehicle combinations - Testing and installation of fifth wheel and associated equipment

  • AS/NZS 4968.3:2011


    Heavy road vehicles - Mechanical coupling between articulated vehicle combinations - Part 3: Kingpins and associated equipment

  • BS 7961:2004

    Specification for a device for measuring the static vertical mass (noseweight)at the coupling point of the towed vehicle.

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ISO 1726-1:2000

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