Recommended 2" Coupler for a Trailer w/ a 1.5" Square Tongue
Updated 08/13/2025 | Published 08/08/2025
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Question:
I have a small utility trailer with a pull behind setup, so it attaches to a lawn mower or other utility vehicle with just a pin. It was built with 1.5 square tubing. I want to install a 2 ball coupler and use it for towing rather than using the pin. Do you have a coupler with a 2 ball designed to fit 1/5 square tubing? If yes, will you point me to it? Thank you.
asked by: John H
Expert Reply:
Hey John, thanks for the information! The smallest 2" coupler we have is the Channel Tongue Trailer Coupler item # CT-3001-Z, which fits a 2" channel. I did something similar to what you're wanting to do a few years back and it's still working.
What you'll want to do is get a piece or pieces of 1/4" steel and either weld a piece to either side or bolt them onto the sides of that 1.5" tubing. If you don't have a welder you'll want to make sure the steel pieces on the side are long enough that they extend past the length of the coupler a 3ish inches. You'll want to insert one bolt on the end and then use the mounting holes on the item # CT-3001-Z to secure the steel pieces and your coupler to the 1.5" tubing.
How big is this utility trailer?
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John H.
8/13/2025
Jerred, thanks for the info. Very helpful. The trailer is small and is used to move a portable generator around my property. It is only about 35" wide by 54" long.