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80 PTO HP
3520 Series 20' Flex-Wing Cutter
Take on the wide-open spaces with the all-new 3520 flex-wing cutter! Whether you’re maintaining utility right-of-way, airports, fields, or trail systems – the 3520 will be your trusted sidekick. Built for the toughest conditions, the 3520 provides a cleaner more reliable cut while being easy to maintain and service.
Designed with you in mind, the 3520 features a standard hydraulic tailwheel assembly (with optional walking tandem) and a spring-loaded suspension system – offering a more stable, even cut, no matter how challenging the ground conditions. Large 1″ internal leveling rods, 4″ wide blades, and larger replaceable skid shoes make sure that the 3520 is built to last – while the clean, flat top design makes it easy to maintain and service. The 3520’s Spring Loaded Suspension System and Optional Walking Tandem Tailwheel Assemblies offer a stable, even cut, no matter how challenging the ground conditions.
The 3520 is built for tractors with 80 PTO horsepower and up – and can cut material up to 4” with ease. Talk to your local IronCraft dealer to add one to your arsenal!
Available Colors:
Take on the toughest jobs
20 Feet at a Time
Specs
Model:
| 3520 | |
|---|---|
| Product Family | 3520 Series |
| Product | 3520 |
| Description | 20' Heavy Duty Flex Wing Rotary Cutter |
| RPM | 540 or 1000 |
| HP Required | 80 minimum PTO |
| Working Width | 240" |
| Overall Width | 249" |
| Transport Width | 94" (with tandems 108") |
| Tongue Weight | 2700 lbs |
| Weight (lbs) | 8700 lbs w/ 8- 26" laminated tires |
| Cutting Height | 2" to 15" |
| Cutting Capacity | 4” |
| Deck Thickness | 10 GA Center Deck / 7 GA Wing Decks |
| Side Bands | 1/4" x 13-1/2" |
| Suspension | 2 Heavy Duty Springs in Center Tailwheel Assembly & 1 Heavy Duty Spring on each Wing Tailwheel Assembly |
| Skid Shoes | Replaceable |
| PTO Drive Shaft | ASAE CAT 6 |
| Wing Drive PTO | ASAE CAT 6 |
| Driveline Protection | Slip Clutch |
| Blade Holder | Round Pan |
| Gearbox Rating | 275 HP |
| Outboard Gearbox Rating | 225 HP |
| Wing Flex | 22 Degrees Down to 100 Degrees Up |
| Blades | 1/2" x 4" Uplift |
| Blade Overlap | 2.6" |
| Wheel Type | 20" or 26" Laminated and 27" Foam Filled or Pneumatic |
| Hitch Type | Swivel Pivot Self Leveling |
| Gearbox Warranty | 5 year limited |
| Deck Rings | Standard |
| Safety Tow Chain | Standard |
| Guarding Options | Single Row Chains Standard |
| FPM | 540 RPM PTO 16,600 / 1,000 RPM PTO 17,400 |
| Diagram |  |
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