N.O.S. Posted January 17, 2009 Share Posted January 17, 2009 This is the Austin 5th Wheel Coupling fitted to the Autocar U7144T. As well as the usual front/aft pivot (as on a modern artic coupling), it has lateral pivot typical of off-road tractor units. Seems a good idea. However, note the cross shaft is cranked, which allows a pendulum-effect forward / aft movement of 4 inches. Oooh....now why did they have to do this? :argh: Surely this will lead to a see-saw effect when pulling a trailer, a bit like pulling a tanker with no baffles :confused::confused::confused: p.s. the pipe wrench is for a bit of cosmetic straightening of the baseplate. Quote Link to comment Share on other sites More sharing options...
Bodge Deep Posted January 17, 2009 Share Posted January 17, 2009 is it damped? Or is it to releive the the strain on the transmission brake/brakes when parking against the sloshing effect of unbaffled or poorly baffled tanker trailers? Liquid could slosh back n forth for a while after parking i s'pose? Quote Link to comment Share on other sites More sharing options...
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