E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
E02F3/7663—Graders with the scraper blade mounted under a frame supported by wheels, or the like
E02F3/7681—Graders with the scraper blade mounted under a frame supported by wheels, or the like with the scraper blade being horizontally movable into a position near the frame