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CX20 ROTARY CUTTER

Flex-Wing Rotary Cutter

  • Four larger, more durable gearboxes
  • Self-leveling drawbar clevis
  • Continuous and greaseable wing-frame hinges
  • Front and rear safety chains



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Features



John Deere rotary cutters lead the way with innovative design, superior performance, and proven durability. Valuable features are included such as the Double-Decker™ design and Max Flow cutting chamber, which prevent water and debris from accumulating on the smooth, dome-shaped top deck while the flat bottom deck absorbs the punishment from rocks and stumps.

 

The top deck stays smooth - no dents, no dings, no holes. The internal supports sandwiched between the top and bottom decks are key to the smooth and structure-free Max Flow cutting chamber, while at the same time provide added strength and durability.

 

To help promote safe operation, John Deere rotary cutters are equipped with front and rear safety-chain shields. John Deere rotary cutters continue to advance in value with larger, more powerful gearboxes, redesigned blade holders, and updated constant-velocity (CV) drivelines (special to the flex-wing models).

 

Here are situations when a rotary cutter is needed:

  • Clipping pastures encourages grass growth, optimizing on valuable pasture acreage.
  • Cutting grass and stalks helps control insects.
  • Routine cutting keeps weeds from reseeding.
  • It is the most cost efficient way to cut roadsides, parks, cemeteries, airport fields, hydro, gas, and telephone easements, and all other types of open properties.
  • Cutting grass waterways encourages root development and helps prevent erosion.
  • Knocking down stalks is essential in no-till and minimum-till fields.
  • Shredding stalks such as cotton, corn, and milo speeds up decomposition.
  • Clearing out brush is easy.
  • Use a rotary cutter to control undergrowth and grass in orchards, vineyards, and groves.

John Deere rotary cutters are available in three duty-level categories, three different spindle configurations, four hitch types, and three flex-wing sizes.

  • Mid-duty
    • MX models are available in 1.5-m (5-ft), 1.8-m (6-ft), 2.1-m (7-ft), 2.5-m (8-ft), 3.2-m (10-ft), and 4.6-m (15-ft) cut widths.
    • This duty-level category cuts brush up to 50.8 mm (2 in.) in diameter.
  • Heavy-duty
    • HX models are available in 3.2-m (10-ft), 4.2-m (14-ft), 4.6-m (15-ft), and 6.1-m (20-ft) cut widths.
    • HX6 is available in 1.8-m (6-ft) and the HX7 is available in 2.1-m (7-ft) cut widths; they cut brush up to 101.6 mm (4 in.) in diameter.
  • Commercial-duty
    • CX models are available in 3.2-m (10-ft), 4.6-m (15-ft), and 6.1-m (20 ft) cut widths; they cut brush 101.6 mm (4 in.) in diameter.

 

NOTE: CX models are heavier built to cut at a 101.6mm (4 in.) capacity level more frequently and for longer durations.

CX15 and CX20 product valuesCX15 and CX20 product values
100 percent factory assembled
  1. Category 5, multi-profile driveline
  2. Protected front chain shields
  3. Category 5, star-profile wing drivelines
  4. Smooth, dome-shaped Double-Decker™ design
  5. Spring-loaded wing arms
  6. Air bag and shock-absorber suspension
  7. Continuous, greaseable forged-wing hinges
  8. Cast hitch, best turn radius
  9. Hydraulic parking system
  10. Ball-and-clevis hitch connection
CX20 with three standard deck ringsCX20 with three standard deck rings
#

The CX20 is equipped with three deck rings, which are welded to the underside of the deck, just inside the outer circumference of blade travel. The deck rings help to limit the upward deflection of blades, when blades encounter immovable objects such as stumps and set-fast rocks.

Gearcase and blade holder shownGearcase and blade holder shown

The John Deere gearboxes:

  1. Large seals
  2. Large housing
  3. Large output shaft
  4. Precision forged bevel gears
  5. Large bearings
  6. Stump jumper

Re-engineered gearcases and blade holders provide the following:

  • More horsepower
  • Faster blade-tip speed
  • Better performance
  • Quieter operation
  • Increased durability
CV drivelineCV driveline
#

Benefits of the CV driveline:

  1. Lock-slide collar, included on all John Deere’s drivelines, helps the attachment to the tractor using your hands on the driveline and not on the collar.
  2. Professional seals on the cross kits allow for a lubrication interval up to 50 hours.
  3. Grease zerks in the cap cross kits provide easy access for field lubrication.
  4. Large, dimpled floating disks reduce wear and improve the grease retention.
  5. Precision spherical ball-and-socket bearings distribute loading evenly and provide a long life and high performance. 

A lightweight driveline with a lock-slide collar makes it fast and easy to attach.

Cross-section of gearcaseCross-section of gearcase
#

The HX20 and CX20 Flex-Wing Rotary Cutters utilize a four-gearcase design. This is far superior to a three-gearcase design because the wing drivelines are able to operate at a range of angles, from 22 degrees down and up to 45 degrees. The wings fold up to 90 degrees for transport-lock purposes.

 

Additionally, the transfer of power from the tractor is dedicated to the transfer gearcase while the cutting is handled by three separate and properly sized individual gearcases. This results in superior drivetrain reliability and durability:

  • HX20 uses a 250 continuous hp and 300 peak hp splitter gearcase, and 150 continuous hp and 205 peak hp center and outer gearcases.
  • CX20 uses a 250 continuous hp and 300 peak hp splitter gearcase, and 150 continuous hp and 216 peak hp center and outer gearcases.

Large, tapered roller bearings and forged gears provide a long trouble-free operating life. Horizontal shafts in all gearcases are 1.5-cm (1-3/4 in.) in diameter to resist torque spikes. Output shafts have a tapered spline for a tight connection with blade holders.

 

Gearcases are backed up by a five-year warranty.

Exclusive ground-control suspensionExclusive ground-control suspension
#

CX Series Flex-Wing Rotary Cutters feature ground-control suspension, which is unique in the industry.

 

This suspension includes a heavy-duty axle with six wheels (five-wheel and three-wheel assemblies for the CX15 3.1-m [10-ft] model) and air springs with shock absorbers on all four-wheel assemblies.

Shock absorbingShock absorbing
#

Shock absorbers provide a smooth ride for road travel and for hard and rough pastures, roadsides, etc. The shock-cushioning ability of the CX suspension is in a class by itself and contributes greatly to long, trouble-free operation of the machine.

 

Center-section air springs typically carry 90 psi of air pressure. Wing-section air springs typically carry 60 psi of air pressure.

 

All of the CX models are also available with springs and shock absorbers.

HX20 hingesHX20 hinges
CX20 hingesCX20 hinges

Center sections and wing sections are connected via 2.5-cm (1-in.) diameter continuous hinge pins. Hinge bushings are constructed of 15.2-cm (6-in.) long forged-steel segments and are greaseable to prevent hinge pins from seizing.

  • The HX20 uses nine hinge bushing segments per side.
  • The CX20 uses 16 hinge bushing segments per side, for a continuous hinge (front to back), providing superior resistance to the wear and tear caused by commercial usage.
Tight turning radius (CX15 shown)Tight turning radius (CX15 shown)
#

Hitches have a narrow profile and are 57.2 cm (22.5 in.) wide to allow a very tight turning radius, even when the tractor is equipped with dual wheels.

Transport lock ensures wings stay securedTransport lock ensures wings stay secured
#

A transport lock flips over the lift cylinder for backup to the hydraulics when transporting or servicing the cutter.

 

A wing lock is provided for additional safety during transporting or servicing. Additionally, the wing locks are spring-loaded so they can unfold against gravity on slopes up to five degrees.

A manual-implement jack is in base equipmentA manual-implement jack is in base equipment
#

The HX15, CX15, HX20, and CX20 come standard with an industry-exclusive hydraulically-operated height leveling system with a swing-away parking stand that makes raising and lowering the cutter easy and safe. In addition, a manual-implement jack is in base equipment, so hitch leveling can also be adjusted without hydraulics. With this addition, the cutter will remain in the same position for long periods of time.

Five-year warranty on all flex-wing gearboxesFive-year warranty on all flex-wing gearboxes
Five-year warranty on all rotary cutter gearboxesFive-year warranty on all rotary cutter gearboxes

John Deere is so confident in the reliability of the gearbox, the warranty has been extended. John Deere rotary cutters come with a 5-year limited gearbox warranty.

Specifications


Capacity cx20-rotary-cutter
Current Model
Cutting width6,096 mm
240 in.
Cutting heightFor clearance over terraces 25-406 mm
1-16 in.
Cutting capacity (diameter)101.6 mm
4 in.
Cutting chamber depth267 mm
10.5 in.
Tractor compatibility
Tractor PTO HP range55.92 kW
75 hp
Tractor PTO1,000 rpm
Static Vert Drawbar Load Rating1,200 kg
2,640 lb
Hitch
TypePull-Type with ball-type self-leveling hitch clevis for easy hookup (Pull-Type has standard 10,000 lb (4,536 kg) Safety Tow Chain)
Category
Hitch widthFor tight turn capability 570 mm
22.5 in.
JackstandStays vertical while raising or lowering
Dimensions
Transport widthAt wing wheels 3,400 mm
134 in.
Overall width6,250 mm
246 in.
Overall length5,760 mm
227 in.
Deck shapeEasy clean dome-shaped top deck
Deck typeDouble-decker for superior strength
Deck thicknessUpper
3.5 (10) mm
.138 (10) in.
Lower
3.5 (10) mm
.138 (10) in.
Shirt thickness6 mm
.25 in.
HingesIntermittent cast steel segments - greaseable; single 1-in. (2.5-cm) diameter full-length hinge pin
Approx. weight3,350 kg
7,350 lb
Drivelines
SizeMain
CV ASAE Category 5 splined telescoping profiles
Connecting
ASAE Category 5 splined telescoping profiles
ProtectionMain
No-seize, slip-clutch driveline
Connecting
No-seize, slip-clutch driveline
Gearcases
Number4
HP ratingTransfer
186 continuous / 224 peak kW
250 continuous / 300 peak hp
Center
112 continuous / 161 peak kW
150 continuous / 216 peak hp
Outer
112 continuous / 161 peak kW
150 continuous / 216 peak hp
Blades
Thickness13 mm
.5 in.
Width102 mm
4 in.
TypeSuction or dual
Overlap152 mm
6 in.
Blade rotationCW, CCW, CCW
Blade tip speed
1000 RPM
Wing 4,988 (299 km/h) m/min
16,364 (186 mph) fpm
Center 4,974 (298 km/h) m/min
16,319 (185 mph) fpm
Material flow systemSmooth, obstruction free Max Flow cutting chamber for a clean cut and no windrows
Blade holder
Type
Bar or stump jumper with standard deck rings
Hydraulics
Wing liftStandard, includes spring assist unfolding
Wing flex90 up, 22 down degree (angle)
Wheels
Type
Option 2
5-bolt 26x9x14.5 'Fat Boy' Severe-Duty Ag Tires
SuspensionAir cushion with shock absorbers on all 4 wheels standard
Row width adjustmentYes
Wing-leveling adjustmentEasy adjust turnbuckle with bearing
Shielding
FrontChain
RearChain
Warranty
Key Specs
Approx. weight
Blade tip speed - 540 rpm - 1000 rpm
Cutting capacity (diameter)
Cutting width
Deck thickness - upper - lower
Drivelines - Size - Main
Gearboxes
Shirt thickness
Tractor PTO HP range
Transport width

Accessories and Attachments

Hitches

Shown on CX15 Flex-Wing Rotary CutterShown on CX15 Flex-Wing Rotary Cutter
#

Tow chains help control drawn equipment if it accidentally separates from the drawbar during transport. The tractor must be equipped with an intermediate chain support ahead of the hitch pin.

 

NOTE: Order from John Deere Ottumwa Works.

Miscellaneous

''Fat Boy'' severe-duty agricultural tire''Fat Boy'' severe-duty agricultural tire

These larger tires provide a larger footprint with added flotation for a smoother ride and greater durability for on and off road travel.

CV drivelineCV driveline
#

Benefits of the CV driveline include:

  • Lock-slide collar, included on all John Deere drivelines, helps during the attachment to the tractor allowing the operator to keep their hands on the driveline and not on the collar.
  • Professional seals on the cross kits allow for a lubrication interval of up to 50 hours.
  • Grease zerks in the cap cross kits provide easy access for field lubrication.
  • Large, dimpled floating disks reduce wear and improve the grease retention.
  • Precision spherical ball-and-socket bearings distribute loading evenly and provide a long life and high performance.

A lightweight driveline with a lock-slide collar makes the tractor to cutter connection faster and easier.

CV drivelineCV driveline
#

Benefits of the CV driveline include:

  • Lock-slide collar, included on all John Deere drivelines, helps during the attachment to the tractor allowing the operator to keep their hands on the driveline and not on the collar.
  • Professional seals on the cross kits allow for a lubrication interval of up to 50 hours.
  • Grease zerks in the cap cross kits provide easy access for field lubrication.
  • Large, dimpled floating disks reduce wear and improve the grease retention.
  • Precision spherical ball-and-socket bearings distribute loading evenly and provide a long life and high performance.

A lightweight driveline with a lock-slide collar makes the tractor to cutter connection faster and easier.

Dual wing wheel spindles and hubs (5 bolt)Dual wing wheel spindles and hubs (5 bolt)
CX15 Rotary Cutter shownCX15 Rotary Cutter shown
#

CX15 and CX20 may be equipped with eight wheels to provide improved flotation for the wings on soft ground. The dual wing wheels also provide for a better likelihood of avoiding scalping on the wings when single wing wheels fall into a hole or rut.

Second-row chain shieldsSecond-row chain shields
#

These second-row chain shields take the place of double-row chain shields by making it possible to add on the second row instead of replacing the single row with a double row. All newly ordered and existing flex-wing rotary cutters built after 01 June 2005 can now be converted to double-row shields.

Implement jack kitImplement jack kit
#

Includes TY25778 - 38.1 cm (15-in.), 2268-kg (5000-lb) side-wind crank implement jack and mounting parts. Allows attaching/detaching cutter from tractor.

Independent control valve -  three-function Independent control valve - three-function

Allows operating lift and wing cylinders with one tractor SCV.

  • Wings raise or lower independently of each other
  • Compatible with open-center or closed-center hydraulic system
  • The valve provides three positions: raise, neutral, and float; the float position for the two outside wing lift spools is detented; the cutter uses single-acting cylinders, this is also the lower position
  • Includes tractor mounting bracket and all necessary hydraulic hoses (does not include quick-couplers)

Mounting Kit for Implement Jack - BW15588

Second-row chain shieldsSecond-row chain shields
#

These second-row chain shields take the place of double-row chain shields by making it possible to add on the second row instead of replacing the single row with a double row. All newly ordered and existing flex-wing rotary cutters built after 01 June 2005 can now be converted to double-row shields.

Spreading Control Kit - BP18444

Tire and tube kit for 26" x 9" x 14.5" 'Fat Boy' Severe Duty Ag Tire - AW33092

Walking Tandem Kit - BP18539

Weight box outer sideWeight box outer side
Weight box inner side Weight box inner side

The weight box replaces the left wing deck on the HX20 and CX20 Rotary Cutter for roadside mowing.

When installed, the cutting area is 13.5 ft.  It is shipped from the factory filled with concrete.

OPERATOR'S MANUAL, DECALS, AND LANGUAGE

French Operator's Manual and Decal Kit - BW14560

Spanish Operator's Manual and Decal Kit - BW15680

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