Thanks for the comments! The second version is more of an update. I'd like to change the scraper arm to add 45 or 90 degree box ends on each side to help minimize passes when back dragging @ the garage doors. It's like the difference of plowing with a straight blade or containment plow (box plow). Also, I have contemplated adding a heavy tarp that goes from the top of the scraper arm to the top of the box on the snow blower to keep snow in on really heavy dumps. It would be the same idea as the pronovost pxpl. So far it hasn't been an issue with the small amount of snow I actually have to pick ip between the front of the blower and the garage door. The tracks are just CAT factory versions for the MTL's. They work very well in the winter and are about the same traction as wheeled machines.