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A jockey wheel for vehicular use is a retractable adjustable-height wheel used on the front of trailers (or caravans) with either a single axle (two running wheels) or more close-coupled axles at or near the centre of gravity whereby without additional support, the trailer would not remain level. The jockey wheel is close to the towing hitch ...
A wheel would be placed on the rear frame section of the truck, which at the time had only four wheels, making the additional wheel the "fifth wheel". The trailer needed to be raised so that the trailer's pin would be able to drop into the central hole of the fifth wheel. Fifth wheels were originally not a complete circle and were hand forged.
A terminal tractor Terminal tractor at the Port of Dover.. A terminal tractor, known in the United States as a shag truck, shunt truck, spotter truck, spotting tractor, yard truck, yard shifter, yard dog, yard goat, yard horse, yard mule, yard jockey, yard spotter, hostler, or mule, is a kind of semi-tractor intended to move semi-trailers within a cargo yard, warehouse facility, or intermodal ...
RoadRailers were a trailer or semi-trailer that could be hauled on roads by a tractor unit and then by way of a fifth wheel coupling, operate in a unit train on railway lines. The RoadRailer system allowed trailers to be pulled by locomotives without the use of flatcars , instead attaching trailers directly to bogies .
The M416B1 used the smaller 6.00 X 16 tires on M422 wheels because it was designed to be towed by the USMC M422 'Mighty Mite' instead of the M151 that towed the M416's and M416A1's. [ 1 ] In addition to the smaller tires, the M416B1 also had lifting rings for airborne operations and jerry can mounts on each side.
A bogie in the UK, or a railroad truck, wheel truck, or simply truck in North America, is a structure underneath a railway vehicle (wagon, coach or locomotive) to which axles (hence, wheels) are attached through bearings. In Indian English, bogie may also refer to an entire railway carriage. [4]
The Jeep trailer was a small, 1 ⁄ 4 short ton (0.22 long tons; 0.23 t) payload rated, cargo trailer, designed in World War II, tailored to be towed by 1/4-ton jeeps. Versions of the quarter-ton jeep trailer remained in military use, by the U.S. or other countries, at least through to the 1990s.
The trailer is able to carry 56 tons, made by Kässbohrer, and is called Sattelanhänger 56t, Tieflader, tmil, 12×0 (semi trailer 56t, flat bed, military, 12x0). The name Franziska for this transporter is not official, unlike the name Elefant for the SLT50. The German Army purchased 49 of these transporters in 1989.