Recommended 4-1/2 Inch Square Gooseneck-to-5th-Wheel Trailer Coupler Adapter

Updated 04/22/2014 | Published 04/21/2014

Question:

do you have a 4.5inch sq adapter goose neck trailer to fifth wheel?

asked by: John Y

Expert Reply:

We do carry an adapter that would let you tow your gooseneck trailer with a fifth wheel hitch. You would need to order part # BD0289590300. This is a square king pin adapter that has an outer tube diameter of 4-1/2 inches. The weight capacity is 30,000 lbs and has an 8 inch range of height adjustment of 23-1/3 to 31-1/3 inches. This coupler replaces both the inner and outer tubes on the gooseneck. This is a weld-on adapter and needs a professional to remove the original coupler and weld this in its place.

expert reply by: Jeffrey L