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  2. Tow hitch - Wikipedia

    en.wikipedia.org/wiki/Tow_hitch

    The ball mount must match the SAE hitch class. [3] The ballmount for a receiver-type hitch is a square bar that fits into a receiver attached to the vehicle. Removable ball mounts are offered with a varying rise or drop to accommodate variations in the height of the vehicle and trailer to provide for level towing.

  3. Fifth-wheel coupling - Wikipedia

    en.wikipedia.org/wiki/Fifth-wheel_coupling

    The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin, a 2-or- -inch-diameter (50.8 or 88.9 mm) vertical steel pin protruding from the bottom of the front of the semi-trailer, and a horseshoe-shaped coupling device called a fifth wheel ...

  4. Glossary of baseball terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_baseball_terms

    5.59 drop ball. 5.60 drop off ... 9.43 hitch in his swing. ... A pitch that crosses the plate at the height of the letters of the team's name on the shirt of the ...

  5. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [1][2] The three points resemble either a triangle, or the letter A. In engineering terms, three-point attachment is the simplest and the only statically determinate way ...

  6. 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 ...

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