Krone BiG M 420
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BiG M Mower Conditioner BiG M 420
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. - Less
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. ... + Read More
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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 | BiG M 420 CRi | BiG M 420 CM* |
| Engine type | MAN D 2066 LE 121 | ||
| No. of cylinders | 6 | 6 | 6 |
| Displacement | 10.5 | 10.5 | 10.5 |
| Max. output to ECE R120 at 1,800 rpm kW/hp |
311/423 |
311/423 |
311/423 |
| Max. output to ECE R24 at 1,800 rpm kW/hp |
300/408 |
300/408 |
300/408 |
| Rated speed rpm | 1,800 | 1,800 | 1,800 |
| Fuel tank capacity litre | 700 | 700 | 700 |
| Ground drive | |||
| Model | Infinitely variable hydrostatic drive with wheel motors | ||
| Work rate up to km/hr | 20 (12 mph) | 20 (12 mph) | 20 (12 mph) |
| Transport speed up to km/hr | 40 (25 mph) | 40 (25 mph) | 40 (25 mph) |
| 4WD | standard | standard | standard |
| Axle separation | standard | standard | standard |
| Axles | |||
| Steering angle Degrees | 53 | 53 | 53 |
| Rear axle steering | Yes | Yes | Yes |
| Steered front axle | Yes | Yes | Yes |
| Mowers | |||
| No. of mowers / toppers | 3 | 3 | 3 |
| Work width mm | 9,720 (31'11") | 9,000 (29'6") | 9,000 (29'6") |
| Conditioner speed rpm | 700/1.000 | 760 | 2.100 |
| Conditioner model | V-type steel tines | rubber or steel roller | Flail topper |
| No. of discs | 4/side mower 5 front mower |
5 / mower | – |
| No. of top hats | 4/side mower 2 front mower |
2 / mower | – |
| Blade attachment | Quick-change blades | Quick-change blades | – |
| Cab | |||
| Air seat | standard | standard | standard |
| Passenger seat | standard | standard | standard |
| Climatronic with cool box | standard | standard | standard |
| BoIn-cab information system | standard | standard | standard |
| Overall dimensions | |||
| Transport width mm | 3,000 (9'10") | 3,000 (9'10") | 3,000 (9'10") |
| Transport length mm | 8,180 (26'10") | 8,180 (26'10") | 8,180 (26'10") |
| Transport height mm | 4,000 (13'2") | 4,000 (13'2") | 4,000 (13'2") |
| Weight depending on specification Approx. kg/lbs | 14,500 / 31,966.7 | 14,500 / 31,966.7 | 14,500 / 31,966.7 |
| Weight distribution front/rear axle Approx. % | 60/40 | 60/40 | 60/40 |
| Tyre size | |||
| Front: Michelin MEGAXBIB 750/65 R26 | standard | standard | standard |
| Rear: Michelin MEGAXBIB 580/70 R26 | standard | standard | standard |
| Front: Michelin CARGOXBIB 750/60 R30.5 | option | option | option |
| Rear: Michelin CARGOXBIB 600/60 R30.5 | option | option | option |
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