Graders, road graders, blades or maintainers are heavy equipment used on construction sites to level the ground, i.e. to flatten it homogeneously. It is also used to maintain paths and create ditches on road construction sites or to remove snow.
The main element of a grader is its wide central blade (generally between 3 and 5 meters). A front blade, (called bull blade as a reference to bulldozers) or some rippers (to spread out earth) may be added at the front or at the rear of the machine. A slope-board may also be added to produce banks. The most recent models are assisted in their leveling works by GPS. Graders are usually very long because of their six tires: they may reach 11 or 12 meters. Graders sometimes work with a compactor.
Early motor graders have been developed by Caterpillar in the 1930’s and they replaced the traditional system consisting of a beam pulled by cattle.
On Europe-Construction-Equipment, find used graders ads among the brands Cat, Komatsu, Champion, O&K, Faun Frish, and XCMG.
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