A grader is a construction machine with a long blade used to create a flat surface. It is commonly called in names such as road grader, a blade, a maintainer and motor grader,
Graders are mostly been used in road construction for construction and maintenance of dirt roads and gravel roads.The grader typically consist of three axles, with the engine and cab situated top, the rear axles at one end of the vehicle and a third axle at the front end of the vehicle, with the blade in between.
In the construction of paved roads they are used to prepare the base course to create a wide flat surface for the asphalt to be placed on.
They are also used to set native soil foundation pads to finish grade prior to the construction of large buildings.Many countries use grader for the flatting process that is done before the placing of Asphalt.
Graders too have various types; some consist a large fork front, and some consist of a flat blade front, which vary from different sizes.