John Deere 520

Feature Overview
John Deere 520
  • Front rubber deflectors
  • Heavy-duty gearbox
  • Steel rotor bearings
  • Square rotor designed for superior strength
Feature Overview
John Deere 520
  • Front rubber deflectors
  • Heavy-duty gearbox
  • Steel rotor bearings
  • Square rotor designed for superior strength
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Features

Heavy-duty John Deere-designed gearbox

Gearbox Gearbox

A heavy-duty, John Deere-designed and John Deere-built gearbox transfers power to the Kevlar® drive belts through cross shafts with intermediate bearing supports:

  • The transmission is bolted directly to the frame.
  • This gearbox has a constant-duty rating of 180 hp and a maximum rating of 270 hp.
  • It carries a limited two-year warranty.

Kevlar is a U.S.-registered trademark of E.I. du Pont de Nemours and Company.


Hitch Hitch
Drawn Drawn

The 520 Flail Shredder can be ordered with two different types of tractor hookup, drawn or integral, depending on preference. An integral flail shredder allows making a very tight turning radius, even when the tractor is equipped with dual wheels.


Flail fastening system Flail fastening system
#

The flail fastening system eliminates clogging from mud or crop residue. Its bracket design also helps prevent knife and ring loss.


Lateral-bearing service access Lateral-bearing service access
Center-bearing service access Center-bearing service access

Hard-to-reach center bearings can be serviced with the conveniently located grease fittings at the rear of the machine:

  • There is no need for the operator to crawl under the machine to perform this service task, thus increasing the probability of the job being performed and completed safely.

Rotor Rotor
#

Designed for superior rotor strength, the square rotor, together with the opposite-mounted flails, provides a machine with less potential vibration, increasing the life of rotor bearings and belts.

 

Since 248 knives are mounted on the full length of the rotors on the main cutterbar, with 2.5 cm (1 in.) of overlap, a stalk won't get missed. This is a significant improvement over the 216 knives mounted on the previous 220 Flail Shredder.


Wheel supports Wheel supports
#

Optional wheel supports eliminate the uncut middle strip in crops like wheat, oats, and barley. The shredder can be pulled at an angle, offsetting the rotors and cutting evenly across the entire width of the machine.


Rotor bearings Rotor bearings

The rotor bearings are now made of steel and have a three-lip seal to keep the dirt out and increase the life of the bearings.

 

The side and center bearings now have guards in order to avoid leaks and dust, increasing the life of the bearings.


Rubber deflectors Rubber deflectors
#

Front rubber deflectors keep debris and other materials under the shredder and away from the tractor and operator. Because they are made out of rubber, they will not dent or rust.


Specs
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
Drivetrain
Belts Kevlar, 3/5V heavy-duty
PTO drivelines 44.5 and 35.1 mm
1.75 and 1.38 in.
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
Mainframe
Hitch Drawn or Integral (Cat. 3 or 3N Quik-Coupler required)
Safety deflector Rubber deflector
Gauge wheels 4 (Drawn), 2 (Integral); infinitely adjustable
Warning lights Integral (standard), drawn (optional)
Optional equipment
Easy transport Available
Constant velocity joint driveline Available
Skid shoes Available
Power requirements
Tractor PTO hp range Minimum 89 kg
120 hp
Tractor RPM 1,000 rpm
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.
Accessories and Attachments
Miscellaneous

Deflectors - Rubber - BP18050


Steel deflectorsSteel deflectors
Rubber deflectorsRubber deflectors

Deflectors can be used on the front of the shredder to prevent cut material from being thrown forward. Rubber deflectors are recommended when shredding in rocky areas.


Disk Hitch with Hose Support - BP16346


Driveline with Overrunning Clutch and Constant Velocity Joint, 1-3/4 In. Drive - AP40461


Driveline with Overrunning Clutch and Constant Velocity Joint, 1-3/8 In. Drive - AP40459


Driveline with Overrunning Clutch, 1-3/4 In. Drive - AP40460


Driveline with Overrunning Clutch, 1-3/8 In. Drive - AP40458


Additional gauge wheels can be ordered, if needed, for improved cutting performance.


Lateral Skid Plate - AP40006


Warning lightsWarning lights
#

Transport warning lights are standard on the 520 Integral Flail Shredder and optional on the 520 Drawn Flail Shredder.


Wheel and Tire (7.60-15 6PR) - BP18208


*Manufacturer's suggested price. MSRP may be different in California. Taxes, freight, setup, and delivery not included. Optional accessories and attachments not included. Equipment, models and prices may vary by dealer. Product options and accessories may not be available in all regions. The engine horsepower and torque information are provided by the engine manufacturer to be used for comparison purposes only. Actual operating horsepower and torque will be less. Refer to the engine manufacturer’s website for additional information. Offers valid in the United States. Prices in U.S. dollars.
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Plant City, FL 33567
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Sarasota, FL 34238
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St Cloud, FL 34769
321-209-4888

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