not sure specifically, but here are some pictures another member (xpdnrunner) posted that show how his winch was mounted when the truck was outfitted originally (he bought it like this)
maybe they'll give ya an idea...
I'm planning on trying to get a local fab'r/friend of mine to build something for me...we'll see what we come up with. my main goal is to come up with a good mount location on the front for more antennas...