Grader

A grader (also called a motor grader) is a heavy construction machine mainly used for leveling, grading, and shaping the ground surface. It is widely applied in road construction, airport construction, mining sites, and farmland improvement.
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A grader (also called a motor grader) is a heavy construction machine mainly used for leveling, grading, and shaping the ground surface. It is widely applied in road construction, airport construction, mining sites, and farmland improvement. The core structure of a grader includes a long, adjustable blade (located between the front and rear axles), a cab for the operator, and a chassis with multiple wheels (usually 6 wheels, with the front two for steering and the rear four for support and driving). The blade can be adjusted at different angles and heights to scrape, level, and smooth the ground, ensuring the surface meets the required flatness and slope standards—critical for laying roads, building foundations, or preparing construction sites. In addition to leveling, graders can also be used to remove debris, spread materials (such as soil, gravel, or asphalt), and maintain existing roads. They are essential equipment in infrastructure projects, as a well-leveled surface directly affects the quality and durability of subsequent construction work.

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Technical Parameters

Model 717T 718T 719T 720T 722T
Rated Power 125kW 132kW 140kW 147kW 162kW
Operating Weight 14500kg 15500kg 15600kg 15700kg 16100kg
Machine Dimensions (L×W×H) 8820×2600×3420mm 8950×2600×3420mm 8950×2600×3420mm 9250×2600×3420mm
Wheelbase / Track 6100mm / 2120mm 6100mm / 2120mm 6100mm / 2120mm 6100mm / 2120mm 6100mm / 2120mm
Minimum Turning Radius 7.3m 7.3m 7.3m 7.4m
Blade Length × Height 3658mm 3965×650mm 3966mm 4268mm 4320mm
Maximum Traction Force 74.6kN 82.8kN 80.2kN 80.8kN 82.8kN
Hydraulic System Pressure 17.5MPa 17.5MPa 17.5MPa 17.5MPa 17.5MPa
Blade Lift / Cutting Depth 450mm / 535mm 450mm / 535mm 450mm / 535mm 450mm / 535mm 45mm / 535mm

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Grader Usage Scenarios

Summary of Full-Scenario Usage of Graders (Suitable for Engineering and Overseas Sales) The core function of a grader is high-precision leveling, shaping, slope trimming, and soil cutting, known as the "precision repair master" of roads. It is indispensable in almost all infrastructure projects.
  • Highway/Road Engineering (Main Scenario)
Subgrade Precision Leveling: After subgrade filling, scrape the soil surface to the designed elevation to lay the foundation for water-stabilized layer and asphalt paving. Pavement Base Construction: Paving, leveling, and slope finding of water-stabilized layers and graded crushed stone layers. Road Maintenance: Pothole patching, leveling after pavement milling, and rut repair. Slope Trimming: Straighten and smooth the slopes on both sides of the road to ensure slope and drainage.
  • Airports/Ports/Large-Scale Sites
Foundation leveling of airport runways and aprons Precision leveling of port yards, logistics parks, and large parking lots Site leveling of industrial parks, factory roads, and factory squares
  • Mine/Mining Area Engineering
Construction and maintenance of access roads in mining areas Shaping of dump sites and unloading platforms Long-term maintenance of simple roads in mining areas p-1
  • Farmland Water Conservancy/Municipal Engineering
Ditch excavation and slope trimming Trimming of river embankments and reservoir dam surfaces Leveling of urban green belts and sidewalk foundations Leveling of garbage landfills and shaping before compaction
  • Rural/Simple Roads (Common in Overseas Africa, Southeast Asia)
Construction, widening, and leveling of rural dirt roads Repair of rain gullies and restoration of road flatness Rapid construction and maintenance of temporary construction site access roads
  • Special Operation Scenarios
Snow Scraping: Snow removal on roads, factory areas, and airports in winter. Breaking/Loosening: Equipped with a ripper to break hard soil and old pavements. Shaping and Modeling: Rough modeling of sports fields and golf courses.

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