I'v had this problem for 26 years, my long gravel driveway with a steep curving hill when the ground thaws and it snows like it just did on April 1st. When I had my plow truck, that plow would dig in and now I use my Kubota with a plow and the same thing. The only way I can do my driveway is to use the grader blade in reverse and put it on an angle to push the snow away. It works well, but I'd like to use the plow. Some have said I should use a pipe on the bottom of the plow. Too bad there isn't an attachment to the plow to resemble the back of a grader blade. Any thoughts or ideas??