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2. 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 ...

3. Tow hitch - Wikipedia

   en.wikipedia.org/wiki/Tow_hitch

   Tow hitch. A tow ball mounted on the rear of a vehicle. A screw-on tow hook mounted at the front of a vehicle. 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 ...

4. Drawbar (haulage) - Wikipedia

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

   Drawbar (haulage) Look up drawbar in Wiktionary, the free dictionary. 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 ...

5. I Built Harbor Freight's Garage in a Box—Here's How ... - AOL

   www.aol.com/built-harbor-freights-garage-box...

   10 ft. x 17 ft. Portable Car Canopy. harborfreight.com. $229.99. Harbor Freight. More. On the surface, Harbor Freight's 17-by-10-foot Coverpro Portable Car Canopy seemed like a pretty good ...

6. Janney coupler - Wikipedia

   en.wikipedia.org/wiki/Janney_coupler

   With gooseneck couplers or offset shank couplers, the horizontal centerline of the coupler head is above the horizontal centerline of the coupler shank, or shaft, and the draw gear. This arrangement is designed for use with low-floor freight cars , to lift the coupler head high enough to match the couplers on other rolling stock. [ 18 ]

7. Railway coupling - Wikipedia

   en.wikipedia.org/wiki/Railway_coupling

   Scharfenberg coupler on a Southeastern Class 395. Video of ICE T coupling at Leipzig Hauptbahnhof. A coupling or coupler is a mechanism, typically located at each end of a rail vehicle, that connects them together to form a train. The equipment that connects the couplers to the vehicles is the draft gear or draw gear, which must absorb the ...