Although I cant say for certain, I would guess the rear stabilizers would mount on the same mounting system as the counter weights. There are plastic plugs on the side of the machine that cover the holes for the counter weights. The dealer would likely have the best answer to that. I am sure it is possible to mount one.
23 gpm will run a snow blower just fine. Bridgestone also makes a set of tracks for CTLs that are made to run in snow and ice.