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Overview

Powerful monster tackles every job: KRONE proudly presents BiG M 420 – a versatile specialist that takes care of all your mowing applications. BiG M 420 is the machine that gears you up for every task. Just look at its high-output CV conditioner or CRi roller conditioner or take the spreading or swath merging options. Cutting at an enormous work width of up to 9.7 metres (31'10") and offering tremendous power reserves while distributing the weight uniformly, BiG M 420 produces clean and high-quality forage without affecting the re-growth of crops – in any condition and any field around the world. One does it all: BiG M 420 delivers total efficiency – even in small fields. The machine scores perfect on handling and fast travelling between fields. Opening up small and awkward fields is as easy as it can get – thanks to the machine‘s great maneuverability and the option of using the mowers separately. This machine is up and working while others are still preparing for work.

Features

The Cab
Maximum operator comfort

• Generous glazing for perfect panoramic view
• Highest seating comfort, easiest operation
• Optional comfort seat 'Activo'
• Standard climate control
• Easy joystick operation

The Driveline
Safe and convenient

• Infinitely variable ground speed control from joystick
• Reduced engine speed in road travel
• Standard four-wheel drive
• Standard front-axle suspension

The Engine

• 309 kW / 415 hp (SAEJ1995) Cat® C13 ACERT™ engine
• 12.5 liter displacement
• Tier 4 interim / Stage IIIB compliant using the Cat® Regeneration System
• Quiet running and fuel-efficient in the field and on the road

The EasyCut cutterbar

• Fully welded & heavy-duty
• SafeCut shear-bolt protection for each disc
• Satellite driveline smoothes the power flow inside the cutterbar
• Tried and tested in the most difficult conditions

The Mowers

• Direct driveline via 4-groove poly belt
• Coil spring suspension
• Mowers operate separately or in combination
• Mowing, conditioning, swathing – three operations in one pass

Conditioner
Three conditioner versions

• Conditioning at full work width
• Intensive or gentle treatment
• Toppers are available to boost machine versatility

Swath merging

• Switches to wide distribution at the touch of a button
• Controls all spreading hoods separately Memory function
• Crops are merged without dropping to the ground – no contamination

Specifications

Model BiG M 420 CV
Engine type MAN D 2066 LE 121
No. of cylinders 6
Displacement 10.5
Max. output to ECE R120
at 1,800 rpm            
311/423 kW/hp
Max. output to ECE R24
at 1,800 rpm             
300/408 kW/hp
Rated speed rpm 1,800
Fuel tank capacity      700  litre
Ground drive  
Model Infinitely variable hydrostatic drive with wheel motors
Work rate  up to km/hr 20 (12 mph)
Transport speed up to km/hr 40 (25 mph)
4WD standard
Axle separation standard
Axles  
Steering angle            53  Degrees
Rear axle steering Yes
Steered front axle Yes
Mowers  
No. of mowers / toppers 3
Work width     9,720 (31'11") mm
Conditioner speed    700/1.000  rpm
Conditioner model V-type steel tines
No. of discs 4/side mower
5 front mower
No. of top hats 4/side mower
2 front mower
Blade attachment Quick-change blades
Cab  
Air seat standard
Passenger seat standard
Climatronic with cool box standard
BoIn-cab information system standard
Overall dimensions  
Transport width 3,000 (9'10") mm
Transport length  8,180 (26'10") mm
Transport height  4,000 (13'2") mm
Weight depending on specification   14,500 / 31,966.7 Approx. kg/lbs
Weight distribution front/rear axle    60/40 Approx. %
Tyre size  
Front: Michelin MEGAXBIB 750/65 R26 standard
Rear: Michelin MEGAXBIB 580/70 R26 standard
Front: Michelin CARGOXBIB 750/60 R30.5 option
Rear: Michelin CARGOXBIB 600/60 R30.5 option

 

Model BiG M 420 CM*
Engine type MAN D 2066 LE 121
No. of cylinders 6
Displacement 10.5
Max. output to ECE R120
at 1,800 rpm            
311/423 kW/hp
Max. output to ECE R24
at 1,800 rpm             
300/408 kW/hp
Rated speed rpm 1,800
Fuel tank capacity      700  litre
Ground drive  
Model Infinitely variable hydrostatic drive with wheel motors
Work rate  up to km/hr 20 (12 mph)
Transport speed up to km/hr 40 (25 mph)
4WD standard
Axle separation standard
Axles  
Steering angle            53  Degrees
Rear axle steering Yes
Steered front axle Yes
Mowers  
No. of mowers / toppers 3
Work width     9,000 (29'6") mm
Conditioner speed    760  rpm
Conditioner model rubber or steel roller
No. of discs 5 / mower
No. of top hats 2 / mower
Blade attachment Quick-change blades
Cab  
Air seat standard
Passenger seat standard
Climatronic with cool box standard
BoIn-cab information system standard
Overall dimensions  
Transport width 3,000 (9'10") mm
Transport length  8,180 (26'10") mm
Transport height  4,000 (13'2") mm
Weight depending on specification   14,500 / 31,966.7 Approx. kg/lbs
Weight distribution front/rear axle    60/40 Approx. %
Tyre size  
Front: Michelin MEGAXBIB 750/65 R26 standard
Rear: Michelin MEGAXBIB 580/70 R26 standard
Front: Michelin CARGOXBIB 750/60 R30.5 option
Rear: Michelin CARGOXBIB 600/60 R30.5 option

 

Model BiG M 420 CRi
Engine type MAN D 2066 LE 121
No. of cylinders 6
Displacement 10.5
Max. output to ECE R120
at 1,800 rpm            
311/423 kW/hp
Max. output to ECE R24
at 1,800 rpm             
300/408 kW/hp
Rated speed rpm 1,800
Fuel tank capacity      700  litre
Ground drive  
Model Infinitely variable hydrostatic drive with wheel motors
Work rate  up to km/hr 20 (12 mph)
Transport speed up to km/hr 40 (25 mph)
4WD standard
Axle separation standard
Axles  
Steering angle            53  Degrees
Rear axle steering Yes
Steered front axle Yes
Mowers  
No. of mowers / toppers 3
Work width     9,000 (29'6") mm
Conditioner speed    2.100  rpm
Conditioner model Flail topper
No. of discs -
No. of top hats -
Blade attachment -
Cab  
Air seat standard
Passenger seat standard
Climatronic with cool box standard
BoIn-cab information system standard
Overall dimensions  
Transport width 3,000 (9'10") mm
Transport length  8,180 (26'10") mm
Transport height  4,000 (13'2") mm
Weight depending on specification   14,500 / 31,966.7 Approx. kg/lbs
Weight distribution front/rear axle    60/40 Approx. %
Tyre size  
Front: Michelin MEGAXBIB 750/65 R26 standard
Rear: Michelin MEGAXBIB 580/70 R26 standard
Front: Michelin CARGOXBIB 750/60 R30.5 option
Rear: Michelin CARGOXBIB 600/60 R30.5 option

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