I have had the oportunity to operate a grader like that. it was a little smaller than the ones above and was pulled by a team of horses.( the neighbour had a team for a hobby on the farm) We only did his lane which was about half to 3/4 of a mile long. took us four passes and then one more to fix up my mess. it was a real treat, ridding behind the team of horses. After standing on the back of that for a couple of hours, the legs hurt pretty good, and it takes a little work to raise and lower that blade. but it was still one of the most unique operating experiances of my life.