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It was billed as light enough for two horses, but strong enough for four. Its blade could be raised, lowered, angled, tilted, and shifted sideways, just like the blade movements on a modern grader. Galion was known for its huge pull-type graders, some of the largest ever built, designed to be pulled behind the largest tractors.
A grader, also commonly referred to as a road grader, motor grader, or simply blade, is a form of heavy equipment with a long blade used to create a flat surface during grading. Although the earliest models were towed behind horses, and later tractors , most modern graders are self-propelled and thus technically "motor graders".
When the hopper is full (8 to 34 m 3 or 10 to 44 cu yd heaped, depending on type) it is raised, and closed with a vertical blade (known as the apron). The scraper can transport its load to the fill area where the blade is raised, the back panel of the hopper, or the ejector, is hydraulically pushed forward and the load tumbles out.
The Komatsu D575A is a 1,150 horsepower (860 kW) tractor crawler produced in a 'SR' or Super Ripper bulldozer/ripper configuration, or as a dedicated bulldozer in the form of the 'SD' or Super Dozer. [1] Both models can move 90 cubic yards (69 m 3) of material per pass using the standard blade.
The second method for integrating GPS in the machine's implement controls is by adding a second pilot hydraulic valve in parallel with the machine's pilot hydraulic valve. This second valve is controlled by the GPS system and moves the implement valve according to the system design and blade location.
The three main types of bulldozer blades are a U-blade for pushing and carrying soil relatively long distances, a straight blade for "knocking down" and spreading piles of soil, and a brush rake for removing brush and roots. These attachments (home-built or built by small equipment manufacturers of attachments for wheeled and crawler tractors ...
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