Trailer King Pins

157 MFG #: Buyers Products Company
  • Strong forged steel construction.
  • Heat-treated for toughness.
  • All king pins are 100% inspected and tested.
  • Made in the USA.
    Trailer King Pins from Buyers Products provide strength and reliability in coupling your fifth wheel. They are forged from AISI 8630 steel and heat-treated to maintain a hardness of 302-363 BHN and 150,000 PSI in ultimate strength.

    They're available in several weldable bolster plate thicknesses. An 8 hole bolt-on version is also available.
Product Common Use: Fifth Wheel and Gooseneck Trailer Towing, RVs and Campers, Lawncare and Excavating Equipment Trailers, Car Haulers
Bolster Plate Thickness