The best and easiest WDH I used was the Equal-i-zer 4 point. (14,000 / 1400) on a Keystone Outback (34 feet long) travel trailer pulled by a 3500 Chevy dually diesel long bed. It was a great hitch.
However, this might not be the right one for you. I found this video on YouTube. I hope you find it helpful: