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components of a grader

The main components of a grader include the chassis, moldboard blade, diesel engine, hydraulic system, and tracks or wheels, all made from high-strength alloy steel to withstand operational weights up to 25 tons. Blade lengths typically range from 3.5 to 5.5 meters, heights from 0.5 to 1.2 meters, and blade rotation angles are adjustable between 25 and 35 degrees. The chassis, with thicknesses of 20 to 35 millimeters, is precisely welded to ensure high bending and torsional resistance.

The diesel engine delivers 150 to 350 horsepower with cylinder capacities of 5 to 12 liters, and the hydraulic system operates up to 250 bar. Hydraulic cylinders for blade movement and steering are made from forged steel alloys, with NBR or FKM seals preventing dust and water ingress. All components undergo non-destructive testing NDT and dimensional inspection up to 0.1 millimeters to ensure service life exceeding 12,000 hours.
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