Here's another from the 70s, don't see to many of these snowmobiles around.

http://home.centurytel.net/geralde61/trucksnow.jpg

Here's a comparison of new and old

http://home.centurytel.net/geralde61/snow.jpg

hurrmmmm, so they even had toy snow mobile's back in the days also :p

interesting stuff here... keep it coming

Sweet