Standard 4" O.D. Round Trailer Coupler Tube  King Pin

Standard 4" O.D. Round Trailer Coupler Tube King Pin

Standard 4" O.D. Round Trailer Coupler Tube  King Pin
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Most gooseneck trailers are designed to be towed on a gooseneck hitch ball located
in the bed of the tow vehicle. However, this king pin and pipe assembly is designed
for those wanting to tow a gooseneck trailer with a 5th wheel hitch. The king pin
is specially designed with zero bolster. The 4” O.D. round tube will fit as an
inner pipe on most standard gooseneck outer tubes. Always follow manufacturer’s
torque specs when tightening set screws.

30,000lb Trailer Rating
*Pull your Gooseneck Trailer with a pickup or Semi-Tractor*

Free delivery In Continental 48 States
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