Patent ID: 8602122

Claim:
A track-type tractor comprising: a frame; a first and a second ground-engaging track coupled to the frame; an implement system coupled to the frame and including a first and a second push-arm, and a dozing blade assembly coupled to the first and second push-arms; the dozing blade assembly including a dozing blade having a moldboard with a material molding surface extending vertically between an upper and a lower dozing blade edge and having a concave vertical profile, and a cutter mounted to the dozing blade along the lower dozing blade edge and being positioned adjacent to and vertically below the material molding surface; and the cutter including a compound digging face having a center segment oriented at a steep angle relative to a horizontal plane, and a first and a second outer segment flanking the center segment and each being oriented at a shallow angle relative to the horizontal plane; wherein the dozing blade further includes a mounting surface extending along the lower dozing blade edge and being stepped-in from the material molding surface, and the cutter includes a plurality of plates bolted to the dozing blade upon the mounting surface.