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Flex-Wing Rotary Cutters

John Deere FC20M

Starting at

Key Features

20-ft Cutting Width
540 or 1000 PTO rpm
Different Blade Configuration Options
Inward or Outward Rotation

Easy-Clean Deck Top

John Deere flex-wing rotary cutters are equipped with an easy to clean, smooth-top deck that allows material, debris, and water to be easily cleared from the top of the machine.

Advanced Safety Features

Equipped with front and rear safety-chain shields and lighting kits, the John Deere flex-wing rotary cutters are designed for safe operation and compliance with U.S. regulations.

Close-up of a green flail mower showing the rear discharge area with rows of hanging metal chains beneath the cutting housing, designed to control debris.

5-Year Limited Gearbox Warranty

Our rotary cutters are engineered for long-lasting performance and are backed by a 5-year limited gearbox warranty.

Close-up of a green mechanical gearbox and driveline assembly on a John Deere rotary cutter

Capacity

Cutting Width	20 ft
Cutting Width	6.1 m
Cutting Height	1-18 in.
Cutting Height	2.54-45.5 cm
Cutting Capacity (Diameter)	3 in.
Cutting Capacity (Diameter)	7.6 cm
Cutting Chamber Depth	10 in.
Cutting Chamber Depth	25.4 cm

Tractor Compatibility

Tractor PTO HP Range	75 hp
Tractor PTO HP Range	56 kW
Tractor PTO	540, 1000 rpm

Hitch

Type	Standard self-level tongue with 57.2-cm (22.5-in.) narrow-profile with clevis hitch, Ball-type self-level hitch, or Articulated Ring hitch
Jack Stand	Mechanical jack stand in base for all machines with hydraulically operated height, stays vertical while raising/lowering

Dimensions

Transport Width (At Wing Wheels)	11 ft
Transport Width (At Wing Wheels)	3.3 m
Overall Width	20.6 ft
Overall Width	6.3 m
Overall Length	18.7 ft
Overall Length	5.7 m
Deck Shape	Smooth top deck
Deck Type	Double deck in cutting chamber
Upper Deck Thickness	0.12 in.
Upper Deck Thickness	3 mm
Upper Deck Thickness	11 gauge
Lower Deck Thickness	0.135 in.
Lower Deck Thickness	3.4 mm
Lower Deck Thickness	10 gauge
Side Skirt Thickness	0.24 in.
Side Skirt Thickness	6 mm
Side Skirt Thickness	3 gauge
Hinges	Intermittent cast segments with segmented 3.1-cm (1.25-in.) diameter hinge pins
Approximate Weight	6503 lb.
Approximate Weight	2950 kg

Drivelines

Main Driveline Size	CV ASAE Category 5, splined telescoping profiles
Connecting Driveline Size	ASAE Category 4, splined telescoping profiles
Connecting Driveline Protection	No-seize, slip-clutch driveline

Gearcases

Number	4
Transfer Horsepower Rating - Continuous	250 hp
Transfer Horsepower Rating - Continuous	186 kW
Transfer Horsepower Rating - Peak	300 hp
Transfer Horsepower Rating - Peak	224 kW
Center Horsepower Rating - Continuous	100 hp
Center Horsepower Rating - Continuous	75 kW
Center Horsepower Rating - Peak	216 hp
Center Horsepower Rating - Peak	161 kW
Outer Horsepower Rating - Continuous	100 hp
Outer Horsepower Rating - Continuous	75 kW
Outer Horsepower Rating - Peak	216 hp
Outer Horsepower Rating - Peak	161 kW

Blades

Thickness	0.5 in.
Thickness	13 mm
Width	4 in.
Width	102 mm
Type	Suction
Overlap	6 in.
Overlap	152 mm
Blade Tip Speed - 540 RPM	268.044628 fps
Blade Tip Speed - 540 RPM	81.7 m/s
Blade Tip Speed - 1000 RPM	272.30972 fps
Blade Tip Speed - 1000 RPM	83 m/s
Blade Holder Type	Round pan stump jumper for blade carrier protection against obstruction damage, Option of double blade bar for extra shredding

Hydraulics

Wing Lift	Two SCV connected to the tractor (machine height and wing lift) Simultaneous wing operation
Wing Flex	For transport: upward 90 degree (angle) Upward working angle: 45 degree (angle) Downward working angle: 22 degree (angle)

Wheels

Type - Option 1	4-bolt, laminated: 21x5.25x9
Type - Option 2	4-bolt, 16PR severe-duty ag: 21x7x12 4-bolt, 16PR severe-duty ag foam filled: 21x7x12
Suspension	Coil Spring suspension in center axle
Row Width Adjustment	Yes
Wing-Leveling Adjustment	Adjustable threaded clevis on wing lift cylinders

Shielding

Front	Single-row chain guard
Rear	Single-row chain guard

Warranty

Gearbox Warranty

5 years

John Deere FC20M

Key Features

Cutting Width

Cutting Width

Cutting Height

Cutting Height

Cutting Capacity (Diameter)

Cutting Capacity (Diameter)

Cutting Chamber Depth

Cutting Chamber Depth

Tractor PTO HP Range

Tractor PTO HP Range

Tractor PTO

Type

Jack Stand

Transport Width (At Wing Wheels)

Transport Width (At Wing Wheels)

Overall Width

Overall Width

Overall Length

Overall Length

Deck Shape

Deck Type

Upper Deck Thickness

Upper Deck Thickness

Upper Deck Thickness

Lower Deck Thickness

Lower Deck Thickness

Lower Deck Thickness

Side Skirt Thickness

Side Skirt Thickness

Side Skirt Thickness

Hinges

Approximate Weight

Approximate Weight

Main Driveline Size

Connecting Driveline Size

Connecting Driveline Protection

Number

Transfer Horsepower Rating - Continuous

Transfer Horsepower Rating - Continuous

Transfer Horsepower Rating - Peak

Transfer Horsepower Rating - Peak

Center Horsepower Rating - Continuous

Center Horsepower Rating - Continuous

Center Horsepower Rating - Peak

Center Horsepower Rating - Peak

Outer Horsepower Rating - Continuous

Outer Horsepower Rating - Continuous

Outer Horsepower Rating - Peak

Outer Horsepower Rating - Peak

Thickness

Thickness

Width

Width

Type

Overlap

Overlap

Blade Tip Speed - 540 RPM

Blade Tip Speed - 540 RPM

Blade Tip Speed - 1000 RPM

Blade Tip Speed - 1000 RPM

Blade Holder Type

Wing Lift

Wing Flex

Type - Option 1

Type - Option 2

Suspension

Row Width Adjustment

Wing-Leveling Adjustment

Front

Rear

Gearbox Warranty

Loan Calculator

New Equipment

Used Equipment

Parts

Service

Specials

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