John Deere 520 Drawn Flail Shredder

  • Front rubber deflectors
  • Heavy-duty gearbox
  • Steel rotor bearings
  • Square rotor designed for superior strength


+ Heavy-duty John Deere-designed gearbox

+ Drawn or integral model available to meet a variety of applications

+ Flail fastening system eliminates clogging from mud or crop residue

+ Serviceability

+ Square rotor designed for superior rotor strength

+ Optional wheel supports eliminate uncut middle strip in non-row-crop field

+ Steel rotor bearings for increased bearing life

+ Rubber deflectors will not dent or rust

Power requirements

Tractor PTO hp rangeMinimum 89 kg
120 hp
Tractor RPM1,000 rpm
Gear case


Number of knives248 side slicer (124 pairs)
Knife dimensions7.87 x 63.5 mm
0.31 x 2.5 in.
Knife mounting systemBracket and D-ring
TypeAlloy steel, hardened with vanadium carbide and reversible
Knives overlap27.18 mm
1.07 in.
Tip speed224 km/h
139 mph


Rotor speed2,000 rpm
Rotor diameterSquare rotor 17.8 x 17.8 cm
7 x 7 in.
Rotor bearingDouble-row, barrel-type, triple-sealed, 2-year warranty
Bearing size42.86 mm
1.69 in.


BeltsKevlar, 3/5V heavy-duty
PTO drivelines44.5 and 35.1 mm
1.75 and 1.38 in.


HitchDrawn or Integral (Cat. 3 or 3N Quik-Coupler required)
Hood thickness
Safety deflectorRubber deflector
Gauge wheels4 (Drawn), 2 (Integral); infinitely adjustable
Warning lightsIntegral (standard), drawn (optional)

Cutting capacity

Cutting width6.1 m
20 ft
Cutting height7.6-25.4 cm
3-10 in.


Transport widthEndwise; drawn 2.39 m
7.83 ft
Integral 6.48 m
21.25 ft
Transport lengthEndwise; drawn 7.34 m
24.08 ft
Integral 2.39 m
7.83 ft
Weight2,268 kg
5,000 lb

Optional equipment

Easy transportAvailable
Constant velocity joint drivelineAvailable
Skid shoesAvailable

Additional information

Date collected