Menu Icon

etrailer Gooseneck and Fifth Wheel Adapters KPG5-Q30IP Review

content loading

Customers compare KPG5-Q30IP to these similar products

Products Featured in this Video

Review of etrailer Gooseneck and Fifth Wheel Adapters KPG5-Q30IP

Today we're going to take a look at the gooseneck to 5th wheel trailer coupler adapter square inner-tube. It has a 30,000 pound weight capacity. A gooseneck to 5th wheel adapter will let you tow your gooseneck trailer with a 5th wheel hitch. This part here is the square inner-tube that will fit most standard square gooseneck outer tubes. You can see at the very bottom it has the king pin. That's designed to slide into your 5th wheel hitch. This is an adjustable height.

You can see it has the 4 holes right here and it's adjustable to fit your application. It's made of a sturdy steel construction. If you notice down here, they have the heavy duty gussoning between the tube and the plates for extra support. This does have a SAE-J2738 compliant rating. Just to give you a few specs on this, I'm going to measure the width of this. The overall width, this is the inner-tube, so we'll measure outer to outer. You can see it's right at 4 inches. The range of the vertical adjustment, right here, is going to be 8 inches.

Basically what that is is if we measure from the center of the first hole all the way up to the center, let's turn this some. Center of the first hole to the center of the top hole so that's your 8 inch range of height adjustment. Then, the distance between one center of one hole to the center of the next is 2 and 11/16ths. The pin hole diameter that this pin goes through is 7/8ths of an inch diameter. The plate dimension at the very bottom here is going to be right at 10 inches by 10 inches. At the very bottom again, you can see it has the industry standard 2 inch diameter king pin to fit most 5th wheel hitches. The weight capacity on this is 30,000 pounds.

That should do it for the review on the gooseneck to 5th wheel trailer coupler adapter square inner-tube with a 30,000 pound weight capacity.

Questions and Comments about this Video

add comment

Info for this part was:

Installed by:
Jeff D

At we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.

About Us
photos and videos

Original Photos & Videos

Produced to make sure you know what you are getting and you get exactly what you need.


Installations Completed

To make sure products work and fit the way they are supposed to.

etrailer call center

Phone Calls & Emails Answered

1,125,924 phone calls and 1,350,587 emails to help find the right solution.

etrailer training

Average Hours of Product Training

We get to know our products firsthand so experts can better help you.

etrailer service

Years of Quality Customer Service

Assisting our neighbors and customers, face to face at the counter.

etrailer experts

Pages of Expert Information

Created to make sure you have all the answers to your questions, from real experts.