Originally Posted by Ironman
Class V is 2.5"
with every manufacturer, except Putnam apprently
Class V – The XDR – Xtra Duty Receiver - the heaviest rated 2" receiver hitch in the industry. The XDR Series Class V receiver hitches can handle the BIG loads...up to 15,000 pounds with 16,000 pound weight distribution and tongue weights up to 1,600 pounds. (As part of the XDR Series, we have produced a complete line of accessories including ball mounts and pintle mounts to help you maximize your towing system.) The XDR is made for only the toughest SUV’s and pickup trucks on the market today.
2" Square Receiver Tube, 5/16 " End Plate, 1/4 " Maintube
Up to 15,000# Weight Carrying MGTW
Up to 16,000# Weight Distribution MGTW
"No Drill" applications available
Includes a complete line of accessories