Best Motor Grader for Road Construction & Maintenance in India

Motor graders are important machines in road construction and maintenance, used for levelling, shaping slopes and finishing road layers. With rapid road infrastructure development and construction of expressways and highways, the demand for a motor grader machine is increasing. Many leading construction equipment brands like CAT, Komatsu and CASE offer motor graders. However choosing the right motor grader according to the project and budget can be confusing. 

If you are planning to invest in a motor grader, it is important to compare specifications, features and price. Here are the best 4 motor grader models in India to help you make the right buying decision:

Top 4 Motor Graders for Road Construction in 2026

In this blog, we explore four popular models: Mahindra RoadMaster G80, CAT 120, Komatsu GD535-5 and CASE 845B. Let’s break down their specifications, features and use cases:

Mahindra RoadMaster G80

The Mahindra RoadMaster G80 is a popular motor grader that comes with a 4 cylinder CRDI CEV V engine. This engine delivers 400 Nm torque, 16% higher than CEV IV machines. Because of this, G80 can do high level grading for surface preparation and drainage during road construction and maintenance.

Key Specifications & Price:

• Engine Power: 74 HP
• Blade Length: 3.0 m
• Top Speed: 32.5 Kmph
• Price: ₹ 29.50 Lakh

Features & Benefits:

• 100% Mechanical differential lock helps maintain traction on uneven and loose surfaces
• Maximum hydraulic pressure around 20 MPa delivers strong power on blade during grading. 
• Spacious canopy, lockable storage and mobile charging for operator comfort. 

Best Used For:

• Rural road construction
• Small infrastructure projects
• Road repair and maintenance work

2. CAT 120

The CAT 120 motor grader is equipped with advanced features like a 203 mm colour touchscreen, a digital blade slope meter and Product Link. It is equipped with a Cat C7.1 engine and ECO mode, which lowers fuel use up to 15% during road construction activities. 

Key Specifications & Price:

• Engine Power: 156 HP
• Blade Length: 3.7 m
• Top Speed: 48.3 km/h
• Price: ₹ 1.37 - 1.40 Cr

Features & Benefits:

• Powershift transmission delivers uninterrupted power during grading, levelling and earthwork. 
• An optional LED light to work at night.
• HVAC and auto controlled climate option to maintain an ideal temperature in the cabin. 

Use Cases:

• Highway construction
• Road widening and shaping
• Large scale maintenance work

3. Komatsu GD535-5

The Komatsu GD535-5 is a powerful motor grader that comes with transmission and power mode selections. The auto and manual transmission modes allow easy position shifting of the machine. Meanwhile the power and eco modes help reduce fuel costs by adjusting performance based on workload.

Key Specifications & Price:

• Engine Power: 145 HP
• Blade Length: 3.7 m
• Top Speed: 43.4 Kmph
• Price: ₹ 84 Lakh - 1.20 Cr

Features & Benefits:

• 6100 mm wheelbase to easily set blade position and 7.0 m minimum turning radius for easy manoeuvring.
• High rigidity suspension seat for enhanced vibration absorption for operator comfort.
• ROPS/FOPS structure for operator safety.

Use Cases:

• Surface levelling and grading
• Road maintenance and reshaping
• Soil spreading and finishing

4. CASE 845B

This CASE motor grader uses a turbocharged, water cooled diesel engine to handle long grading hours in road construction without overheating. Its load sensing hydraulic system allows precise blade control during levelling and slope shaping. Moreover clear rear visibility and front articulation help operators easily monitor the moldboard, tyres and surface while working.

Key Specifications & Price:

• Engine Power: 173 HP
• Blade Length: 3.65 m
• Top Speed: 41.5 km/h
• Price: ₹ 1.29 - 1.31 Cr

Features & Benefits:

• ROPS/FOPS canopy protects the operator from rollovers and falling objects, keeping them safe
• Warning and reversing alerts inform nearby people, helping avoid accidents
• Integrated disk parking brake keeps the machine steady while the warning light prevents operating mistakes

Use Cases:

• Highway and expressway construction
• Large infrastructure projects
• Heavy grading and earthwork

Comparison of Top 4 Motor Graders

Conclusion

Each motor grader serves a different segment of road construction and maintenance. The Mahindra RoadMaster G80 fits smaller jobs, while the CAT 120 focuses on precision work. The Komatsu GD535-5 balances performance and control, whereas the CASE 845B is suited for high capacity tasks. However, selecting the right grader depends on project size, workload and site conditions. A proper choice can help improve grading quality and overall productivity in road construction projects.