What does a motor grader do?

Dec. 11, 2025

A motor grader, also known as a road grader or a scraper grader, is a construction machine used primarily for grading and maintaining roads, airports, parking lots, and other such areas. Here are the key functions and applications of a motor grader:

1.Grading and Leveling:

The primary role of a motor grader is to grade and level soil, gravel, asphalt, or other materials to create smooth and even surfaces.

It is often used in road construction to prepare the subgrade and surface layers.

2.Excavation and Blading:

With its blade, a motor grader can also be used for light excavation work, such as removing snow, dirt, or debris from roadways.

The blade can be adjusted and angled to perform different grading tasks, such as cutting, filling, or spreading materials.

3.Maintenance and Repair:

Motor graders are essential for maintaining and repairing existing roadways, airports, and other paved surfaces.

They can be used to fix potholes, cracks, and other surface imperfections by grading and applying new materials.

4.Snow Removal:

In winter, motor graders equipped with snowplows are used to remove snow and ice from roadways, ensuring safe travel conditions.

5.Other Applications:

In addition to roadwork, motor graders can also be used in landscaping, agriculture, and mining applications.

They can be equipped with various attachments to perform tasks such as scarifying, scarifying, and mixing materials.

In summary, a motor grader is a versatile and essential piece of equipment in the construction and maintenance of paved surfaces. Its ability to grade, level, and maintain these surfaces makes it a critical tool for roadbuilders, maintenance crews, and other construction professionals.

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