The design in which the grader work machine first appeared is the 1934 Warco Grader.
This first design, which appeared for Grader work machines, appeared to have three steering wheels with two steering wheels on each side of the steering wheel. The operator had to steer the grader with the steering wheel, and on the other hand, determine the position of the blade by turning the steering wheels on both sides. These nostalgic graders, which were quite difficult to manage, took an active part in the road repair works of the period.
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