IronCraft 3520 Series: 20′ Heavy-Duty Flex-Wing Rotary Cutter 8-26″ LAMINATED TIRES W/ LIGHT KIT – 21 SPLINE 1000 RPM LIGHT KITS STANDARD, OPTIONAL WALKING TANDAM AXLES

IronCraft 3520 Series: 20′ Heavy-Duty Flex-Wing Rotary Cutter 8-26″ LAMINATED TIRES W/ LIGHT KIT – 21 SPLINE 1000 RPM LIGHT KITS STANDARD, OPTIONAL WALKING TANDAM AXLES

Dominate wide-open spaces with the IronCraft 3520 Flex-Wing Cutter, the ultimate 240″ clearing solution for utility right-of-ways, airports, and expansive agricultural fields. Engineered for tractors with at least 80 PTO horsepower, this powerhouse is built to withstand the most punishing conditions while delivering a clean, reliable cut.

The 3520 is designed for maximum productivity and minimal downtime. With a 4” cutting capacity and a massive 20-foot working width, it features a clean, flat-top deck design to prevent debris accumulation. Whether you are maintaining a trail system or clearing heavy brush, the 3520 is the heavy-duty sidekick your fleet needs.

Superior Stability & Cut Quality

• Spring-Loaded Suspension: Dual heavy-duty springs in the center and independent wing springs ensure a level cut on uneven terrain.
• Heavy-Duty Components: Equipped with large 1″ internal leveling rods and 4″ wide uplift blades for long-term durability.
• Precision Engineering: Standard deck rings protect the structure from blade impact, while round pan blade holders enhance rotational balance.
• High-Performance Gearboxes: Features a massive 275 HP main gearbox and 225 HP outboard gearboxes.

Technical Specifications

• Working Width: 240″ (20 Feet)
• Cutting Capacity: Material up to 4″ diameter
• Transport Width: 94″ (standard) to 108″ (with tandems)
• Cutting Height: Adjustable from 2″ to 15″
• Total Weight: 8,700 lbs with 8-tire configuration

Drivetrain & Build Quality

• PTO Speed: Available in 540 RPM (16,600 FPM) or 1000 RPM (17,400 FPM)
• Drive Shafts: ASAE CAT 6 main and wing drive PTOs for maximum power transfer
• Deck Strength: 10-gauge center deck with ultra-tough 7-gauge wing decks
• Side Bands: 1/4″ x 13-1/2″ reinforced steel
• Tire Options: 20″ or 26″ Laminated, or 27″ Foam Filled/Pneumatic

Warranty & Safety Standards

• Gearbox Warranty: Industry-leading 5-Year Limited Warranty
• Standard Safety: Single row discharge chains and safety tow chain included
• Hitch Type: Swivel pivot self-leveling hitch for smooth, safe towing
• Maintenance: Replaceable skid shoes and easy-access grease points