Not snowcats but there might be someone who loves old sleds that might be interested. These just listed in the last hour or so. Each link has more pictures, prices, and the contact information for the seller. Good luck if you are interested.
https://www.facebook.com/marketplace/item/275575706439862/
https://www.facebook.com/marketplace/item/758697211167843/
https://www.facebook.com/marketplace/item/753019325070379/
https://www.facebook.com/marketplace/item/275575706439862/
https://www.facebook.com/marketplace/item/758697211167843/
https://www.facebook.com/marketplace/item/753019325070379/