For your 2015 Honda Foreman you can use Bulldog winch mount # BDW15181 and mating 3000-lb model # SW1130220. These and other recovery winches that for this mount can be seen on the linked page. The two linked articles on winches may be of interest to you as you decide on your preferred winch model. view full answer...
What keeps the Reese Towpower 3-Way ATV Hitch # RP7065000 from turning is torquing down the install bolt which prevents it from being able to swivel. This will prevent it from swiveling when backing up as well. I attached a review video for this hitch for you to check with more info as well. view full answer...
Yes, to install the Superwinch part # SW1125220 that you referenced on your 2016 Honda FourTrax Foreman Rubicon you would want the mount part # BDW15181. view full answer...
I checked with Bulldog winch and the part # BDW15181 has been confirmed as a fit for your 2016 Honda Rancher 420 so it would work well.
This would also fit and work well with the Superwinch LT3000ATV Winch # SW1130220 that you also referenced. This winch does come with a handlebar mounted rocker switch as well. view full answer...