11m 43sLength

After some final modification the screw drive tractor is ready for some testing! It's a wet may long weekend and it's time to see if it will make it through my mini open pit mine.....and then reality sets it. don't forget to subscribe to my channel! https://www.youtube.com/user/REDNIC79 Checkout the complete screw drive vehicle build here - http://www.youtube.com/playlist?list=PLsB5wii8fITsdqHYeuzk5uWiRVzFnL7uv