The lower half of a fifth wheel mounted on a truck tractor or converter dolly must be secured to the frame of that vehicle with properly ... The installation must include a device for positively preventing the lower half of the fifth wheel from shifting on the frame to which it is attached. ... The mounting of the trailer hitch ( pintle hook or equivalent mechanism) on the towing vehicle must include reinforcement oranbsp;...
|Title||:||Code of Federal Regulations, Title 49, Transportation, Pt. 300-399, Revised as of October 1 2009|
|Author||:||National Archives and Records Administration, Office of the Federal Register|
|Publisher||:||Government Printing Office - 2010-02-19|