Well done Cad! I like practical project like that, This give you a edge way over beans counter engineers!
I almost bough a set of ATV snow track last summer (Loose the sealed auction by $50

) my idea was simple, adapt them to a Cub for snow removing. I don't think anyone try it yet, the price is the only set back unless you get lucky (I almost been...

)
PS: Don't worry about shipping cost for the fender if your serious PM me and I take care of that part but to be perfectly honest with you your QL need some paint and my fender need serious work, I just try to avoid working on mine and provide you more seat time on the 584 not working on yours....Well you are just 2 spray can away