I have the swing away and used a Pro WDH for 1200 pounds (I think). It fit perfectly behind the swing point, chains are near vertical. I will try to find the man and model from the invoice and post it here.
Dave
Here is the web:
http://www.proseriestowing.com/conte...ID=1625&part=0 They do not sell direct but have a dealer locator, just put in your zip. Bad memory but think under $250