Again, probably too late, but my QH/TWH is 15.2, and also a 75" (I ordered one of the Euro fit ones) and my Clyde cross is 16.2, but almost as wide...so he is an 84". However, you should probably get a full fit one for the draft. There really is a difference, the are wider and longer on the sides. I get the Riders brand at Dover and love them for him. The drafties are a bit unique.....in a good way, of course.