FYI...didn't know that there is a 3" receiver !!!
Tow Hitch Receiver Sizes – Learn About the Different ClassesRegardless of what receiver you think you have on your vehicle, please measure! Owner’s manuals can be misleading and even dealerships can give you the wrong information so always measure your receiver to confirm you have the correct measurement/size.
Always remember that no matter what size receiver you have on your vehicle, your towing capacity is always limited to the lowest-rated component in your application. Whether that be your tow vehicle, the hitch, the ball mount, your trailer or any other component of your towing application.
Here is a guide to show you what our ball mounts are rated at in relation to receiver sizes.