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.
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.
| 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 |
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.
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.
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
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
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
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
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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About UniqueMore than 30 years experience in construction platform industry.
More than 210 senior engineers in the company
Exports to more than 100 countries
We have over 30 years experiences of manufacturing stone crushers, stone crusher line,concrete mixer, concrete batching plant, construction machines.
