Industry-Verified Manufacturing Data (2026)

Motor Grader

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Motor Grader used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Motor Grader is characterized by the integration of Blade and Moldboard. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A heavy-duty construction machine with a long blade used to create flat surfaces.

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Product Specifications

Technical details and manufacturing context for Motor Grader

Definition
A motor grader, also known as a road grader or simply grader, is a construction machine with a long blade used to create a flat surface during grading. Typically, the blade is positioned between the front and rear axles and can be angled, tilted, and raised or lowered to precisely shape and level soil, gravel, or other materials. It is essential for road construction, site preparation, and maintaining unpaved surfaces.
Working Principle
The motor grader operates by using its engine to power the wheels or tracks for movement and hydraulic systems to control the blade. The operator adjusts the blade's angle, tilt, and height via hydraulic controls to cut, spread, and level material as the machine moves forward. The blade's position relative to the machine's frame and the ground determines the grading action, allowing for precise contouring and leveling of surfaces.
Common Materials
High-strength steel, Alloy steel
Technical Parameters
  • measurement of blade length (meters) Customizable
Components / BOM
  • Blade
    Cuts, spreads, and levels material
    Material: High-strength steel
  • Moldboard
    The main part of the blade that contacts the ground
    Material: Wear-resistant alloy steel
  • Circle
    Rotates the blade for angle adjustment
    Material: Forged steel
  • Scarifier
    Loosens compacted material before grading
    Material: Hardened steel
Engineering Reasoning
0.5-2.5 MPa hydraulic pressure, 1500-2500 RPM engine speed
Hydraulic pressure exceeding 3.2 MPa causes seal extrusion, blade tilt mechanism failure at >15° deviation from horizontal plane
Design Rationale: Hydraulic fluid cavitation at pump inlet when pressure drops below 0.3 MPa absolute, blade structural fatigue from cyclic loading exceeding 250 kN·m bending moment
Risk Mitigation (FMEA)
Trigger Hydraulic fluid contamination exceeding ISO 4406 18/16/13 cleanliness level
Mode: Servo valve spool sticking causing uncontrolled blade movement
Strategy: Integrate 3 μm absolute filtration with differential pressure monitoring at 0.15 MPa warning threshold
Trigger Thermal stress from 200°C differential between hydraulic reservoir and ambient during cold start
Mode: Hydraulic hose delamination and seal hardening leading to fluid leakage
Strategy: Implement pre-heating system maintaining fluid at 40°C minimum with PTC thermistor control

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Motor Grader.

Grader Road Grader heavy duty motor grader for sale construction motor grader specifications motor grader blade replacement parts alloy steel motor grader components industrial motor grader operating weight

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (mechanical system)
flow rate: N/A (no fluid flow)
temperature: -20°C to 50°C
blade downforce: Up to 15,000 kg
operational slope: Up to 30% grade
slurry concentration: N/A (solid material handling)
Media Compatibility
✓ soil/earth grading ✓ gravel road maintenance ✓ snow removal
Unsuitable: underwater operations
Sizing Data Required
  • project surface area (m²)
  • required grading depth (mm)
  • operational terrain type

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic System Contamination
Cause: Ingress of particulate matter or moisture into hydraulic fluid due to inadequate filtration, seal degradation, or improper maintenance practices, leading to component wear, valve sticking, and reduced system efficiency.
Undercarriage Component Fatigue Failure
Cause: Cyclic loading from grading operations and uneven terrain causing stress concentrations in pins, bushings, and track components, exacerbated by inadequate lubrication, misalignment, or material defects.
Maintenance Indicators
  • Unusual grinding or knocking noises from the engine or hydraulic system during operation
  • Visible hydraulic fluid leaks around cylinders, hoses, or connections, especially with pressure drops
Engineering Tips
  • Implement a proactive hydraulic fluid analysis program with scheduled sampling to monitor contamination levels, water content, and additive depletion, enabling predictive maintenance before catastrophic failure occurs.
  • Establish a rigorous undercarriage inspection and lubrication schedule using manufacturer-specified greases and torque values, focusing on pivot points and wear components to prevent premature fatigue and misalignment.

Compliance & Manufacturing Standards

Reference Standards
ISO 50001:2018 - Energy management systems ANSI/SAE J1163 - Performance test code for motor graders DIN EN 474-6:2022 - Earth-moving machinery - Safety - Part 6: Requirements for graders
Manufacturing Precision
  • Blade cutting edge straightness: +/-1.5mm over full length
  • Circle gear backlash: 0.1-0.3mm maximum
Quality Inspection
  • Non-destructive testing (NDT) of critical welds using magnetic particle inspection
  • Hydraulic system pressure and leakage testing per manufacturer specifications

Factories Producing Motor Grader

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

S Sourcing Manager from Singapore Feb 05, 2026
★★★★★
"The Motor Grader we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."
Technical Specifications Verified
P Procurement Specialist from Germany Feb 02, 2026
★★★★☆
"Found 34+ suppliers for Motor Grader on CNFX, but this spec remains the most cost-effective. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Brazil Jan 30, 2026
★★★★★
"The technical documentation for this Motor Grader is very thorough, especially regarding Blade Length (meters)."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

17 sourcing managers are analyzing this specification now. Last inquiry for Motor Grader from India (1h ago).

Supply Chain Commonly Integrated Components

Pumping System

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Drive Motor

Electric motor that provides rotational power to drive the blending mechanism in pharmaceutical powder blending equipment

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Vision System

An optical inspection subsystem that uses cameras, lighting, and image processing to detect defects in pharmaceutical vials.

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Coating Pan

A rotating vessel used to apply uniform coating layers to pharmaceutical tablets through controlled spraying and drying processes.

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Frequently Asked Questions

What are the main components of a motor grader?

Key components include the blade, moldboard, circle, and scarifier, all constructed from high-strength and alloy steel for durability.

What specifications should I consider when selecting a motor grader?

Important specs include blade length (in meters), engine power (in kilowatts), and operating weight (in kilograms) to match your project requirements.

What industries commonly use motor graders?

Primarily used in construction, road building, and site preparation within the machinery and equipment manufacturing industry for creating level surfaces.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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