IronCraft 4500 Series: 6′ Heavy-Duty Grader Blade with Ratchet Offset

IronCraft 4500 Series: 6′ Heavy-Duty Grader Blade with Ratchet Offset

The IronCraft 4506 is our most rugged 72″ Heavy-Duty Grader Blade, specifically engineered for tractors between 45 and 75 horsepower. This 6-foot blade is built to dominate the toughest land grading, leveling, and backfilling projects, providing industrial-strength performance for farms, construction sites, and commercial landscaping.

Equipped with a Category 1 and 2 Quick Hitch compatible design, the 4500 Series offers unmatched durability and versatility. The standout feature is the integrated ratchet jack for offset adjustment, allowing for precise lateral positioning that outclasses standard manual pin systems.

Industrial Performance & Precision Adjustments

• Ratchet Jack Offset Adjustment: Features a high-torque ratchet jack that provides up to 16″ of offset, allowing you to position the blade exactly where you need it without leaving the tractor seat.
• Dual-Axis Maneuverability: Includes a 5-position angle adjustment (forward and reverse) and a 3-position tilt adjustment for specialized ditching and road crowning.
• Reinforced Moldboard: A 17″ tall blade constructed from 1/4″ thick steel ensures maximum material rolling and structural integrity under heavy loads.
• Reversible Cutting Edge: Equipped with a 6” high-carbon steel cutting edge that is fully reversible and replaceable for a maximum service life.

Technical Specifications (Model 4506)

• Working Width: 72″ (6 Feet)
• Horsepower Requirement: 45 – 75 Engine HP
• Weight: 439 lbs for aggressive soil penetration and stability
• Hitch Compatibility: Dual Category 1 & 2 (Cat 1 & 2)
• Offset Range: 16″ via Ratchet Jack

Rugged Build Quality & Hardware

• Moldboard Thickness: Heavy-duty 1/4″ steel for extreme durability.
• A-Frame Construction: Reinforced 3/8″ steel for long-term structural reliability.
• Blade Height: 17″ moldboard for high-capacity material movement.
• Adjustability: 5-position angle, 3-position tilt, and precision ratchet offset.

Heavy-Duty Applications

• Commercial Site Preparation: Perfect for leveling building pads and backfilling large utility trenches.
• Professional Road Maintenance: Restore the crown and shoulders of gravel roads with precision angle and tilt control.
• Industrial Ditching: Use the 16″ offset and 3-position tilt to clear deep drainage ditches while keeping the tractor on level ground.
• Heavy Material Handling: Ideal for spreading dense road base, moving large mounds of topsoil, or clearing deep snow.