NAT-STD-4009/2 › Complete Document History
Location and Height of Fifth Wheel Attachments on Tractors and Semi-Trailers (Class I)


Obsolete Revision Information:
   BASE - LOCATION AND HEIGHT OF FIFTH W - Aug. 25, 1967
   PART 2 - LOCATION AND HEIGHT OF FIFTH W - Jan. 1, 1960
   AMENDMENT 3 - LOCATION AND HEIGHT OF FIFTH W - Jan. 1, 1960