Today we're going to be taking a look at the Wallace Forge Fifth Wheel to Gooseneck Adapter. It's pretty straightforward. The adapter lets you tow your Gooseneck Trailer with your fifth wheel hitch. It's going to feature the 2 inch kingpin on one side of the adapter. This connects to your fifth wheel hitch. Then we're going to have a 2 and 5/16 inch ball on the other side that allows you to… see more >