How Tractor Grader Attachments Are Used in PMGSY Road Construction

India's Pradhan Mantri Gram Sadak Yojana (PMGSY), launched on 25 December 2000 under the Ministry of Rural Development, remains one of the country's most ambitious rural connectivity programmes. Its mandate is to provide all-weather road connectivity to previously unconnected habitations across India.

Under PMGSY-IV, approved by the Union Cabinet in September 2024 for FY 2024–25 to 2028–29, the government targets construction of 62,500 km of new roads to connect 25,000 unconnected habitations, with a total outlay of ₹70,125 crore (Central share: ₹49,087.50 crore; State share: ₹21,037.50 crore). Progress is tracked in real time through OMMAS and the e-MARG platform.

Meeting these targets demands field-ready, cost-effective machinery at the ground level. While motor graders dominate national and state highway construction, tractor grader attachments have become the practical solution for PMGSY rural road work, particularly in states like Madhya Pradesh, Uttar Pradesh, Odisha, and Chhattisgarh.

⚙️ What Is a Tractor Grader Attachment?

A tractor grader attachment is a hydraulically operated grading blade system that mounts directly to a standard agricultural tractor, converting it into a road-grading machine. Unlike a full motor grader, a dedicated, high-cost machine, a tractor grader attachment leverages existing tractor power, making precision grading accessible to smaller contractors and state agencies working on rural road projects.

Key characteristics:

•  Hydraulically controlled blade for precise angle, tilt, and height adjustment

•  Compatible with tractors in the 49 HP and above range — standard on Indian PMGSY sites

•  Significantly lower ownership and operating cost compared to full motor graders

• Suited for narrow rural road formations (3.0–3.75 m carriageway) and site-restricted environments

•  Backed by a 1-Year Hydraulic Warranty — as offered on all AMW grader models

🛠️ Tractor Grader PMGSY Road Construction: Stage-by-Stage Role

PMGSY road construction follows technical specifications laid down by the Indian Roads Congress (IRC) through the Rural Roads Manual (IRC:SP20:2002). These specifications require precise earthwork, subgrade preparation, base course spreading, and surface finishing — tasks that a tractor grader attachment handles at each construction stage.

Stage 1 — Subgrade Preparation and Earth Shaping

The first phase of any PMGSY road involves shaping the natural ground surface to the required formation level. Tractor graders are deployed to:

•  Cut high spots and fill low areas to establish a uniform road formation width

• Create the required cross-slope (camber) for effective surface drainage as per IRC tolerances

•   Level and prepare the subgrade to achieve 95% Proctor density before rolling

•   Remove loose material and vegetation from the road bed ahead of compaction

Stage 2 — Granular Sub-Base (GSB) Layer Spreading

Once the subgrade is compacted, a Granular Sub-Base layer of gravel, moorum, or broken stone is laid — typically 100–150 mm thick. The tractor grader spreads this material uniformly across the full formation width in a single pass, ensuring consistent layer depth before the roller arrives.

Stage 3 — WBM and Gravel Base Course Dressing

Water Bound Macadam (WBM) base courses are constructed in two to three layers. Each compacted WBM course is 75–100 mm thick per IRC specifications. The tractor grader:

•  Spreads crushed aggregate uniformly over the formation width

•  Maintains specified layer thickness — 75–100 mm per compacted WBM course

•  Blends gravel with binding material ahead of roller compaction

•  Redistributes excess aggregate from windrows across the carriageway

Stage 4 — Road Camber and Cross-Section Formation

PMGSY roads require a precisely formed camber (cross-slope) to drain rainwater away from the carriageway — a non-negotiable requirement for all-weather roads. AMW graders deliver a 5% camber cutting height across all models, precisely matching IRC drainage requirements through hydraulic blade tilt adjustment.

Stage 5 — Side Drain and Shoulder Cutting

Effective cross-drainage is mandatory under PMGSY guidelines. Tractor graders equipped with angled hydraulic blades are deployed to:

• Cut V-shaped or trapezoidal side drains alongside the carriageway

•  Reposition excavated soil as compacted shoulder fill

•  Maintain drain profile after monsoon damage, silting, or debris accumulation

Stage 6 — Road Maintenance During the 5-Year DLP

PMGSY mandates a 5-year Defect Liability Period (DLP), tracked through the e-MARG platform. Tractor grader attachments are regularly deployed during this period to:

•  Re-profile gravel and WBM surfaces after monsoon erosion or rutting

•  Restore road camber lost due to traffic or weathering

•  Clear and reshape side drains for unobstructed water flow

•  Redistribute surface aggregates and blend binding material on damaged sections

📐 Ashok Metal Works Tractor Grader Attachments — Verified Specifications

Below is a representative specification profile for a hydraulic tractor grader attachment suitable for PMGSY rural road work: 

Specification	Single Pin Grader	Double Pin Grader	Four Wheel Grader
Applications	Road construction & mining	Converts 2WD tractor to motor grader for road & mining	Converts 2WD to 4-wheel grader for grading & earthworks
Compatible HP	49 HP to 110 HP	Above 49 HP	2WD tractors, min. 49 HP
Blade Length	10 feet	10 feet	10 feet
Blade Width	430 mm	430 mm	430 mm
Blade Height	18 inches	18 inches	18 inches
Cutting Edge Width	150 mm	150 mm	150 mm
Rotation Angle	45° (both directions)	30°–40°	45° (both directions)
Tilt Range	5°–20°	5°–20°	5°–20°
Camber Cutting	5%	5%	5%
Ground Clearance	460 mm	460 mm	460 mm
Build Material	High-grade mild steel	High-grade mild steel	High-grade mild steel
Warranty	1-Year Hydraulic Warranty	1-Year Hydraulic Warranty	1-Year Hydraulic Warranty

Grader Attachment for Backhoe Loaders (JCB / Escorts / Terex / TATA Hitachi / CASE / CAT / Mahindra / John Deere)
Applications	Construction, mining, PMGSY, and city road projects
Compatible Machines	Backhoe Loaders — JCB, Escorts, Terex Vector, TATA Hitachi, CASE, CAT, Mahindra Globemaster, John Deere
Available Models	Single Pin / Double Pin / Four Wheel
Blade Length	10 feet
Blade Width	10 feet
Blade Height	18 inches
Cutting Edge Width	150 mm
Rotation Angle	45° (both directions)
Tilt Range	5°–20°
Camber Cutting Height	5%
Warranty	1-Year Hydraulic Warranty

* Price disclaimer: Grader prices start from ₹4.15 lakh + taxes,(as listed on ashokmetalworks.com). Final price varies based on model, configuration, and market conditions. Contact AMW for a confirmed quote.

⚠️ Data accuracy note: All specifications above are sourced directly from www.ashokmetalworks.com. Fields marked 'Not specified' are not listed on the respective product page — do not improvise values. Confirm with AMW for complete specifications.

👉 Explore all AMW grader models: www.ashokmetalworks.com/tractor-grader-attachments

🚜 Why Tractor Grader Attachments Are the Smart Choice for PMGSY Road Construction

Motor graders are expensive to own, difficult to mobilise on narrow rural roads, and require specialist operators. For PMGSY village-level roads typically 3.0 to 3.75 m carriageway width — tractor grader attachments offer a far more practical and economical alternative.

Parameter	AMW Tractor Grader Attachment	Full Motor Grader
Starting Price	From ₹4.15 lakh*	₹35 lakh – ₹1.4 crore+
HP Range	49 HP and above	Dedicated high-HP engine
Road Width Suitability	Ideal for 3–5.5 m PMGSY formations	Better suited for wider roads
Mobility on Narrow Roads	Excellent	Limited on village roads
Operator Skill	Moderate (tractor operator)	High (specialist required)
Maintenance	Simpler — local support available	Complex — specialised service
Versatility	Tractor serves multiple site tasks	Single-purpose machine
Blade Tilt / Rotation	5°–20° tilt; 30°–45° rotation (model-dependent)	Variable per machine
Warranty	1-Year Hydraulic Warranty (AMW)	Varies by OEM
Camber Setting	5% camber cutting on all models	Variable

*Motor grader price range sourced from verified Indian market data (2024–25). AMW grader price from ashokmetalworks.com.

🌾 Where AMW Tractor Graders Are Used Across India

States with the highest PMGSY road construction targets, Madhya Pradesh, Uttar Pradesh, Chhattisgarh, Odisha, and Rajasthan, are also the primary markets for AMW tractor grader attachments. Contractors in these regions work on low-volume roads with narrow alignments, limited equipment access, and challenging conditions due to laterite or black cotton soil.

Ashok Metal Works, headquartered in Vidisha (Madhya Pradesh) and serving 10,000+ customers across India and 8+ countries, is well-positioned to supply and support contractors across central and eastern India for both construction-phase and 5-year DLP maintenance requirements under PMGSY.

In Madhya Pradesh, the MPRRDA (Madhya Pradesh Rural Road Development Authority) oversees extensive PMGSY implementation. For contractors in MP, UP, Odisha, and Chhattisgarh, an AMW grader attachment deployed on a tractor already on site eliminates the mobilisation cost and downtime of hiring a dedicated motor grader.

✅ Key Benefits of Using Ashok Metal Works Tractor Grader Attachments

• Four grader models available Single Pin, Double Pin, Four Wheel, and Backhoe Loader (JCB) variant — covering 2WD tractors, 4WD tractors, and backhoe loaders

• Compatible HP range: 49 HP to 110 HP (Single Pin); 49 HP and above (Double Pin & Four Wheel)

• Hydraulic blade tilt (5°–20°) and rotation (30°–45° depending on model) for precise camber and cross-slope control as per IRC: SP20 requirements

• Consistent 5% camber cutting height across all models

• Ground clearance of 460 mm on Double Pin and Four Wheel models suited for rough terrain

•  Backed by a 1-Year Hydraulic Warranty on all models

• Supported by after-sales service from Vidisha, MP with 25+ years of manufacturing experience

• Trusted by major contractors including Bansal Group, Dilip Buildcon, Megha Engineering & Infrastructure, and Soma Enterprises

• Ideal for both the construction phase and 5-year Defect Liability Period maintenance under PMGSY

📞 Ready to Equip Your PMGSY Road Project?

Whether you are a contractor, state agency, or sub-contractor working on PMGSY road works in MP, UP, Odisha, or Chhattisgarh — Ashok Metal Works provides robust, field-ready tractor grader attachments built for Indian conditions.

📞  +91 94251 49002  |  +91 94251 49006

🌐  www.ashokmetalworks.com

📧  info@ashokmetalworks.com

📍  Jatrapura, Behind Ram Leela Maidan, Vidisha, Madhya Pradesh 464001

🇮🇳  Made in Bharat