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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".
The first attested graters were made out of bronze, and also silver alloys, in the early first millennium BCE, examples of which were uncovered from burial sites in Greece and Etruscan Italy.
The Galion Iron Works Company of Galion, Ohio, was founded by David Charles Boyd and his three brothers in 1907.In its early years, the Galion produced a wide range of road-building and other construction equipment, such as drag scrapers, plows, wagons, stone unloaders, rock crushers, and a variety of other "experimental machines".
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Caterpillar soil compactor equipped with padfoot drum, being used to compact the ground before placing concrete Antique "Kemna" steamroller. A road roller (sometimes called a roller-compactor, or just roller [1]) is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. [1]
As of May 2017, according to Trade Arabia, Case "sells a full line of construction equipment around the world, including the number one loader/backhoes, excavators, motor graders, wheel loaders, vibratory compaction rollers, crawler dozers, skid steers, compact track loaders and rough-terrain forklifts." [12]
Widespread acceptance of the bull-grader does not seem to appear before the mid-1930s. The addition of power down-force provided by hydraulic cylinders instead of just the weight of the blade made them the preferred excavation machine for large and small contractors alike by the 1940s, by which time the term "bulldozer" referred to the entire ...
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