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  2. Tow hitch - Wikipedia

    en.wikipedia.org/wiki/Tow_hitch

    A tow hitch (or tow bar or trailer hitch in North America [1]) is a device attached to the chassis of a vehicle for towing, or a towbar to an aircraft nose gear. It can take the form of a tow ball to allow swiveling and articulation of a trailer , or a tow pin, or a tow hook with a trailer loop, often used for large or agricultural vehicles ...

  3. Drawbar (haulage) - Wikipedia

    en.wikipedia.org/wiki/Drawbar_(haulage)

    A large ballast tractor pulling a load using a drawbar General duty tow hitch from VBG on a truck and a drawbar on a trailer, showing a connected drawbar eye Rockinger drawbar coupling, in which the drawbar eye gets locked. A drawbar is a solid coupling between a hauling vehicle and its hauled load. Drawbars are in common use with rail ...

  4. Railway coupling - Wikipedia

    en.wikipedia.org/wiki/Railway_coupling

    A coupling adaptor or compromise coupler might couple to an AAR coupling on a wagon, and present, for example, a meatchopper coupler or rapid transit coupler to the next wagon. Such an adaptor might weigh 100 kg (220 lb). An adapter piece allows a Janney coupler mate with an SA3 coupler. [64]

  5. ISO standards for trailer connectors - Wikipedia

    en.wikipedia.org/wiki/ISO_standards_for_trailer...

    7-pin ISO 1724 trailer connector type 12N (Towing vehicle side). This connector uses a mix of pin and socket terminals. Physical design according to standard ISO 1724. [4] [8] The 7-pin connector uses all 7 pins on newer trailers according to the ISO standard. [9] [10] On older trailers there's sometimes a 5-wire setup using a 7-pin connector.

  6. Loading gauge - Wikipedia

    en.wikipedia.org/wiki/Loading_gauge

    As with AAR Plate C but 18 in (457 mm) taller than AAR Plate C and 15 in (381 mm) taller than AAR Plate E, and the car cross section is larger at the top than AAR Plate E. [31] H: 10 8 3.25 [34] 20 3 6.17: 62 7 19.08 [34] e.g. Including the height of double stacked containers in well cars. The cross section at the bottom of the well car differs ...

  7. Adjustable grip hitch - Wikipedia

    en.wikipedia.org/wiki/Adjustable_grip_hitch

    The adjustable grip hitch is a simple and useful friction hitch which may easily be shifted up and down the rope while slack. It will hold fast when loaded, but slip when shock loaded until tension is relieved enough for it to again hold fast. It serves the same purpose as the taut-line hitch, e.g. tensioning a tent's guy line.