John Deere 520
Flail Shredders 520
Overview:
The 520 Drawn Flail Shredder gives you a 20-foot cutting width, 2,000 rpm rotor speed, and 124 pairs of knives.
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Features
- Front rubber deflectors
- Heavy-duty gearbox
- Steel rotor bearings
- Square rotor designed for superior strength
Specifications
| Manufacturer | John Deere |
| Model | 520 |
| Power requirements | |
| Tractor PTO hp range | Minimum 89 kg |
| 120 hp | |
| Tractor RPM | 1,000 rpm |
| Gear case | --- |
| Knives | |
| Number of knives | 248 side slicer (124 pairs) |
| Knife dimensions | 7.87 x 63.5 mm |
| 0.31 x 2.5 in. | |
| Knife mounting system | Bracket and D-ring |
| Type | Alloy steel, hardened with vanadium carbide and reversible |
| Knives overlap | 27.18 mm |
| 1.07 in. | |
| Tip speed | 224 km/h |
| 139 mph | |
| Rotor | |
| Rotor speed | 2,000 rpm |
| Rotor diameter | Square rotor 17.8 x 17.8 cm |
| 7 x 7 in. | |
| Rotor bearing | Double-row, barrel-type, triple-sealed, 2-year warranty |
| Bearing size | 42.86 mm |
| 1.69 in. | |
| Drivetrain | |
| Belts | Kevlar, 3/5V heavy-duty |
| PTO drivelines | 44.5 and 35.1 mm |
| 1.75 and 1.38 in. | |
| Mainframe | |
| Hitch | Drawn or Integral (Cat. 3 or 3N Quik-Coupler required) |
| Hood thickness | --- |
| Safety deflector | Rubber deflector |
| Gauge wheels | 4 (Drawn), 2 (Integral); infinitely adjustable |
| Warning lights | Integral (standard), drawn (optional) |
| Cutting capacity | |
| Cutting width | 6.1 m |
| 20 ft | |
| Cutting height | 7.6-25.4 cm |
| 3-10 in. | |
| Dimensions | |
| Transport width | Endwise; drawn 2.39 m |
| 7.83 ft | |
| Integral 6.48 m | |
| 21.25 ft | |
| Transport length | Endwise; drawn 7.34 m |
| 24.08 ft | |
| Integral 2.39 m | |
| 7.83 ft | |
| Weight | 2,268 kg |
| 5,000 lb | |
| Optional equipment | |
| Easy transport | Available |
| Constant velocity joint driveline | Available |
| Skid shoes | Available |