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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".
By the early 1930s hydraulics were standard on all motor graders. An example of a 1922 "Galion Patrol" is shown here. In 1922, Galion was one of the first to develop a self-propelled motor grader. The tractor engine and transmission were located in the rear of the frame, and the operator cockpit was located near the center of the machine.
Indicate only uses GPS positioning information as a guide to the operator. Depending on the system used, the machine position can be displayed over the specific design site that was created for the earthmoving project. This system relies on the operator to steer and move the machine's implements in order to match the site's design.
A-B were also significant for their all wheel driven and all wheel steering motor graders often using Leyland Trucks running gear as were also producers of ADT models called the RDX Series with 6X6. A line of rigid dumpers was manufactured from 30 tonne RD030 through to the 50 tonne RD050 and eventually a RD55 and RD65 were added.
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]
Earthwork construction was revolutionized by the development of the scraper and other earth-moving machines such as the loader, the dump truck, the grader, the bulldozer, the backhoe, and the dragline excavator.
Volvo CE's products include a range of wheel loaders, hydraulic excavators, articulated haulers, motor graders, soil and asphalt compactors, pavers, backhoe loaders, skid steers, and milling machines. Volvo CE has production facilities in the United States, Brazil, Scotland, Sweden, France, Germany, Poland, India, China, Russia, and South Korea.
A heavy equipment operator drives and operates heavy equipment used in engineering and construction projects. [7] [8] Typically only skilled workers may operate heavy equipment, and there is specialized training for learning to use heavy equipment. Much publication about heavy equipment operators focuses on improving safety for such workers.