The Leaning-Wheel Grader
2013-5-30u2002·u2002The precise origin of the pull grader has been lost to history. The first graders were simply dragged along the ground, and the first wheeled pull graders consisted of a fixed blade attached to the frame of a wagon. These blades could be raised or lowered by levers, but not angled, and the wheels were rigidly attached to the vehicle's frame. If the blade encountered a heavy load, the blade ...
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