John Deere 420D Draper
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Description
- Cutterbar and frame profile gives uninterrupted crop flow
- Strong, positive-feeding reel handles all crop conditions
- Hydraulic deck shift gives larger windrows for more efficient harvesting
Models
Excellent visibility to cutterbar and belt
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The cutterbar design provides excellent visibility across the full range of tilt:
- Cutterbar and belt can be easily seen from cab even with optional top-crop conveying auger installed
- Cutterbar can be tilted from cab mechanically or hydraulically depending on windrower option chosen
- Change cutterbar angle with varying crop and field conditions for best cut height and crop flow
Cutterbar and frame profile gives uninterrupted crop flow

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The C-shaped cutterbar profile provides:
- Smooth crop flow
- Superior draper-to-cutterbar seal
- Reduced amount of material under belts
- Minimized crop loss in shatter-prone crops
Transport easily with integrated transport system
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Slow-speed transport system:
- 400D Drapers are towable only with W155 and W170 Self-Propelled Windrowers
- Transport is recommended behind a tractor with seven-pin electrical lighting outlet
- 430D, 435D and 440D Drapers only
- Convert draper from field to transport in minutes with one person and without tools
- Dual front dolly wheel tires and two, gauge wheel tires carry weight of transport
It is a simple four-step process to switch from field to transport:
- Move right gauge wheels from field to transport
- Move left gauge wheels from field to transport
- Attach the tongue.
- Detach from the windrower.
Gauge wheels provide ground following for uniform cut
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400D Series Draper Platforms offer optional dual gauge wheels with spring suspension:
- 1-cm (15-in.)
- Excellent ground following and flotation in all conditions
- Fine adjust the float on the go from the cab for high-speed harvesting and stable flotation
- Available as part of the integrated slow-speed transport system option
John Deere parts and service support provide uptime for a timely harvest
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Sales, parts, and service support from a local John Deere dealer offers overnight parts delivery and a well-trained support staff.
Strong, positive-feeding reel handles all crop conditions
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The cam reel design of the 400D Series Draper Platform features:
- 165-cm (65-in) diameter
- Heavy-duty plastic or steel fingers
- Tooth position control
- Smoother and quieter operation at higher reel speeds
- Less wear on reel drive components
- Less shattering of the crop
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The hourglass-shaped reel has:
- End positioned closer to the cutterbar to provide smooth feeding
- Adjustable bolt position to change distance of reel to cutterbar
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The cam position and reel position are adjustable, enabling the machine settings to be matched with the crop conditions for a trouble-free harvest. The finger release position is easily adjustable to one of four cam positions.
The reel is hydraulically positioned up, down, and fore-aft to allow perfect positioning for gentle yet positive feeding action.
Plastic fingers:
- Standard from the factory on all 400D Series Platforms
- Recommended for all crop conditions
- Lighter weight and easy to replace
Steel fingers:
- Only available through Parts
- Recommended for heavy forage crop
- Longer life
Optional end fingers improve feeding aggressiveness in difficult feeding and cutting conditions with down and tangled crop.

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Single span reel:
- Available on 415D, 420D, 425D, 430D and 435D Drapers
- Less weight
- Better center visibility
- Good option for canola and small grains harvesting
Double span reel:
- Available on 430D, 435D and 440D Drapers
- Better feeding in heavy, wet, or down crop
- Better control of the reel height for more consistent feeding
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The reel is available in five-six- or nine-bat configurations:
- Six- to nine-bat conversion is available with field installation
- Recommended for heavy conditions such as silage or grass seed crops
Optional reverser clears plugs effortlessly for higher productivity during tough harvest conditions
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Platform reverser controls are available for the W155 Self-Propelled Windrower only:
- Easily activated from operator's station to clear platform of plugs
- Reverser slowly reverses the knife drive and optional hay conditioner, if equipped, to clear plugs
- Highly recommended when using optional hay conditioner with 400D Platforms
- Operators can run machines closer to their maximum capacity and it will take less time to unplug
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The reverser consists of a valve block and valves, shown in the image above. It is the gold-colored valve block on the right side. It is shown plumbed for a 100A Auger Platform.
Specifications
- Center opening / crop delivery - Center opening width between belts: 1,720-1,950 mm<br/>67.1-76.7 in.
- Cutterbar - Cut width (length): 6.1 m<br/>20 ft
- Cutterbar - Cutterbar tilt: Standard hydraulic<br/>Optional mechanical (7.5 to 17.0 degree lift)
- Cutterbar - Knife drive: Hydraulic motor to enclosed heavy-duty wobble box
- Cutterbar - Knife speed: 700-850 cycles/min<br/>1,400-1,700 spm
- Cutterbar - Type: Dual knife
- Dimensions - Overall operating depth: With crop dividers 2.6 m<br/>8.7 ft
- Dimensions - Platform length: 6.5 m<br/>21.3 ft
- Dimensions - Transport length, hitch extended: ----
- Dimensions - Transport width on wheel, less dividers: 2.5 m<br/>8.1 ft
- Dimensions - Transport width, field position: 6.5 m<br/>21.3 ft
- Draper and decks - Belt width: Wide rubber skim-coated 710-ml (24-oz) drapers: 1,067 mm<br/>41.6 in.
- Draper and decks - Operating speed: 0-225 m/min<br/>0-742 fpm
- Draper and decks - Speed control: Hydraulic from cab
- Header height sensing - Header height sensing off the ground: Return to cut height standard<br/>Gauge wheels optional
- Header height sensing - Header height sensing on the ground: Float springs on traction unit
- Key Specs - Belt width: Wide rubber skim-coated 710-ml (24-oz) drapers: 1,067 mm<br/>41.6 in.
- Key Specs - Cut width (length): 6.1 m<br/>20 ft
- Key Specs - Cutterbar - Type: Dual knife
- Key Specs - Fingers: HD Plastic
- Key Specs - Overall operating depth: With crop dividers 2.6 m<br/>21.3 ft
- Key Specs - Platform length: 6.5 m<br/>21.3 ft
- Key Specs - Reel type: Pick up cam four-position adjustable release
- Key Specs - Transport width on wheel, less dividers: 2.5 m<br/>8.1 ft
- Key Specs - Transport width, field position: 6.5 m<br/>21.3 ft
- Reel - Diameter: 1,650 mm<br/>65 in.
- Reel - Fingers: HD Plastic
- Reel - Height control: Hydraulic
- Reel - Number of bats: 6 bats standard<br/>9 bats optional, single span, capped ends
- Reel - Operating speeds: 0-85 rpm
- Reel - Reel fore and aft: Hydraulic
- Reel - Reel lift: Hydraulic
- Reel - Reel type: Pick up cam four-position adjustable release
- Reel - Speed control: Hydraulic with header index
- Weight - Approximate weight (base platform with reel): 1,544 kg<br/>3,400 lb
Copy Set
Excellent visibility to cutterbar and belt
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The cutterbar design provides excellent visibility across the full range of tilt:
- Cutterbar and belt can be easily seen from cab even with optional top-crop conveying auger installed
- Cutterbar can be tilted from cab mechanically or hydraulically depending on windrower option chosen
- Change cutterbar angle with varying crop and field conditions for best cut height and crop flow
Cutterbar and frame profile gives uninterrupted crop flow

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The C-shaped cutterbar profile provides:
- Smooth crop flow
- Superior draper-to-cutterbar seal
- Reduced amount of material under belts
- Minimized crop loss in shatter-prone crops
Transport easily with integrated transport system

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Slow-speed transport system:
- 400D Drapers are towable only with W155 and W170 Self-Propelled Windrowers
- Transport is recommended behind a tractor with seven-pin electrical lighting outlet
- 430D, 435D and 440D Drapers only
- Convert draper from field to transport in minutes with one person and without tools
- Dual front dolly wheel tires and two, gauge wheel tires carry weight of transport
It is a simple four-step process to switch from field to transport:
- Move right gauge wheels from field to transport
- Move left gauge wheels from field to transport
- Attach the tongue.
- Detach from the windrower.
Gauge wheels provide ground following for uniform cut

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400D Series Draper Platforms offer optional dual gauge wheels with spring suspension:
- 1-cm (15-in.)
- Excellent ground following and flotation in all conditions
- Fine adjust the float on the go from the cab for high-speed harvesting and stable flotation
- Available as part of the integrated slow-speed transport system option
John Deere parts and service support provide uptime for a timely harvest

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Sales, parts, and service support from a local John Deere dealer offers overnight parts delivery and a well-trained support staff.
Strong, positive-feeding reel handles all crop conditions

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The cam reel design of the 400D Series Draper Platform features:
- 165-cm (65-in) diameter
- Heavy-duty plastic or steel fingers
- Tooth position control
- Smoother and quieter operation at higher reel speeds
- Less wear on reel drive components
- Less shattering of the crop

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The hourglass-shaped reel has:
- End positioned closer to the cutterbar to provide smooth feeding
- Adjustable bolt position to change distance of reel to cutterbar
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The cam position and reel position are adjustable, enabling the machine settings to be matched with the crop conditions for a trouble-free harvest. The finger release position is easily adjustable to one of four cam positions.
The reel is hydraulically positioned up, down, and fore-aft to allow perfect positioning for gentle yet positive feeding action.
Plastic fingers:
- Standard from the factory on all 400D Series Platforms
- Recommended for all crop conditions
- Lighter weight and easy to replace
Steel fingers:
- Only available through Parts
- Recommended for heavy forage crop
- Longer life
Optional end fingers improve feeding aggressiveness in difficult feeding and cutting conditions with down and tangled crop.

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Single span reel:
- Available on 415D, 420D, 425D, 430D and 435D Drapers
- Less weight
- Better center visibility
- Good option for canola and small grains harvesting
Double span reel:
- Available on 430D, 435D and 440D Drapers
- Better feeding in heavy, wet, or down crop
- Better control of the reel height for more consistent feeding
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The reel is available in five-six- or nine-bat configurations:
- Six- to nine-bat conversion is available with field installation
- Recommended for heavy conditions such as silage or grass seed crops
Optional reverser clears plugs effortlessly for higher productivity during tough harvest conditions

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Platform reverser controls are available for the W155 Self-Propelled Windrower only:
- Easily activated from operator's station to clear platform of plugs
- Reverser slowly reverses the knife drive and optional hay conditioner, if equipped, to clear plugs
- Highly recommended when using optional hay conditioner with 400D Platforms
- Operators can run machines closer to their maximum capacity and it will take less time to unplug

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The reverser consists of a valve block and valves, shown in the image above. It is the gold-colored valve block on the right side. It is shown plumbed for a 100A Auger Platform.