Ford also made two gen II SHO wagons. One red and one white. Both came without the roof rack and had 3.2l with automatics. They did not go with the production because it would cost too much to make (adding structural reinforcements off the production line) and a lack of interest.
Some people did make a Sable SHO. I saw a burgundy one on eBay. '92 Sable with a G2 SHO front end. Cheap on insurance since it's listed as a '92 Sable LS as it said on the auction.
That SHO-Ranchero thingy is just weird. If it was me, I'd take the wagon's body, weld the rear door shut, cut the top part off from the B-pillar back, and make a bed and design a window behind the "cab".