ID # 31100305

Krone BiG X 680 | 780 | 880 | 1180

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Overview

High-power and fuel efficient engines from 687 hp to 1156 hp.
6 intake rollers for boosted reliability and a top quality chop
MaxFlow chopping drums with 20, 28, 36 blades; Biogas drums with 40 and 48 blades
OptiMaxx roller conditioners for intensive kernel processing
KRONE VariLOC for flexible choice of long and short chops
KRONE VariQuick for fast changeovers to conditioning or grass cutting
Convenient hoop coupler for easy attachment to the base machine
Enormous agility from independent wheel suspension
Height-adjustable comfort cab for optimum visibility
BiG X 680 ∙ 780 ∙ 880 ∙ 1180, the XXL forage harvesters from KRONE for outputs of 687hp to 1156hp. They not only impress by their high efficiency and chop quality but also by high operator comfort and easy handling.

Specifications

Model

BiG X 680 | 780 | 880 | 1180

Category Name

Agriculture

Year

2023

Sale Type

New

Manufacturer

Krone

krone optimaize

KRONE chopping technology for optimum maize forage quality
OptiMaize S, M, L, XL for variable chopping lengths from 4 mm to 30 mm
KRONE MaxFlow and Biogas drums with different blade specifications combine for producing the
chops length you need
KRONE OptiMaxx roller conditioners ensure optimum fracturing and kernel treatment
KRONE VariLOC for flexible long and short chops without conversing the machine

OptiMaize brings full flexibility to all KRONE BiG X harvesters, allowing them to produce any type of chop length livestock farmers and Biogas producers call for. MaxFlow and Biogas drums are available with various numbers of blades and combine with matching KRONE conditioners to deliver perfect 4-30 mm (0.2"-1.2") chops and the most intensive treatment. The BiG X offers this wide range of chops without operators having to swap or refit the chopping drum – simply by reducing the cutting frequency with the help of VariLOC.

OptiMaize S: Maize that is harvested to fuel biogas plants is chopped to very short lengths. Depending on moisture levels, chops of 4 mm to 7 mm lengths have been found ideal for this application, because shorter chops make the energy readily available to the methane producing bacteria in the fermenter thereby increasing gas yields. The KRONE forage harvesters use a Biogas drum with 40 or 48 blades to harvest biogas maize. Alternatively, OptiMaize S results can also be achieved with the 36 blade MaxFlow drum. For good fermentation, the leaves and stalks are subsequently fractured and the kernels destroyed by a KRONE corn conditioner with 123/144 teeth and rotors rotating at a 30 % speed difference.

OptiMaize M: Grass based rations for beef bulls and dairy cows which consist of up to 40 % of maize should be made up of 8 mm to 10 mm (0.3" to 0.4") chop lengths. This length of cut and an appropriate conditioning intensity avoids lack of fibre in the ration. OptiMaize M chopping quality is achieved by the MaxFlow drums with 36 and 28 blades. The ideal conditioner is the KRONE corn conditioner with 123/144 teeth whose speed differential can be increased from 30 % to 40 % or 50 %.

OptiMaize L: Chop lengths of 11 mm to 19 mm are ideal for dairy feed rations where the percentage of maize is about 60 %. Rumens require silage maize that is reach in fibres. The OptiMaize L chopping quality is achieved by the KRONE MaxFlow drums with 28 or 20 blades. The complementary conditioner for these drums is the assembly with 105/123 teeth.The speed differential on these rollers can be increased from 30 % to 40 % or 50 %.

OptiMaize XL: The maize in dairy feed rations made up of more than 80% by maize and that do not contain sufficient quantities of grass and feed straw should be chopped to 20 mm to 30 mm lengths to avoid lack of structure in the feed. The ideal drum for long chops is the MaxFlow drum with 20 blades which is complemented by the KRONE OptiMaxx roller conditioner with 105/123 teeth and 30%, 40% or 50% speed differentials.

the crop flow

The intake System

Helps achieve the desired chop length
6 hydraulic intake rollers
The Speed is set steplessly from the cab

Chopping drum

The guarantee for top quality chops
MaxFlow chopping drums with 20, 28 or 36 blades
Biogas chopping drum with 40 and 48 blades

VariStream
Maximum throughput

Spring-loaded floor underneath the chopping drum
Spring-loaded accelerator backplate
Outstanding chopping Quality even in inconsistent crop flows

VariQuick

Minimum changeover between grass and corn/maize
Quick changeovers between corn conditioning and harvesting grass
Removing the corn conditioner is convenient using a lowering mechanism

The OptiMaxx roller conditioners

250 or 305 mm diameter and 710 mm wide rollers for maximum performance
Slanted teeth give a unique shearing effect for perfect cracking
Up to 50% speed difference for optimum fracturing results

StreamControl
Powerful crop accelerator

Adjust crop throw from the cab
Precision fills of following trailers
Reduced power when filling Trailers running alongside
No losses

The crop flow

Six intake rollers ensure a top-notch quality of chops
High throughput with universal and biogas drums
OptiMaxx roller conditioners for intensive kernel processing
Flexible chop lengths through VariLOC and the use of only half the number of blades
Continuous crop flow from VariStream
Variable crop throw is an option using StreamControl
Quick changeovers between corn and grass thanks to VariQuick

Its innovative technology makes the BiG X a superior chopper with respect to performance and quality. Chopping lenghts can be set to individual requirements by adjusting the speeds of the intake rollers and using different numbers of blades on the chopping drum. Highest through puts are implemented by the spring-loaded floor underneath the drum and a spring-loaded accelerator backplate which guarantee a continuous crop flow.

the intake system

The crop flow
Six intake rollers ensure a top-notch quality of chops
High throughput with universal and biogas drums
OptiMaxx roller conditioners for intensive kernel processing
Flexible chop lengths through VariLOC and the use of only half the number of blades
Continuous crop flow from VariStream
Variable crop throw is an option using StreamControl
Quick changeovers between corn and grass thanks to VariQuick

Versatile and flexible: Six pre-compression rollers and the 820 mm gap between the leading roller with metal detector and the counterblade not only enhance pre-compression but also protect the blades better against metal objects, even at high-speed intake. The hydraulic drive in combination with AutoScan adjust the chop length automatically to the maturity of the crop.

Across the full width: The leading bottom rollers are studded with sensors across the full width which detect any metal that is about to enter the machine. The large throat volume makes for highest throughputs. The robust drives withstand the highest strains.

Folding open: Operators can fold the intake system forward to gain access to the chopping drum and the counterblade.

the chopping assembly

Krone BiG X 680 | 780 | 880 | 1180

KRONE chopping drums with 20, 28, 36, 40 or 48 blades
High inertia: enclosed 660 mm (2'2") diameter drums
Bespoke 800 mm (2'7") wide drums for the BiG X 680, 780, 880 and 1180 models
Extremely fuel-efficient courtesy of a high inertia and pulling cuts

Matching the drum dimensions to the forager model and choosing the optimum number of blades not only boosts machine power but also makes the forager more flexible to suit more applications. The wide range of OptiMaize drums that are available for BiG X deliver top-quality chops in versatile applications anywhere in the world.

The material is pulled over the blades: The blades on the KRONE chopping drums are arranged chevron-style and at an angle of 11° relative to the counterblade. This arrangement makes for a continuous crop flow, extremely quiet running and maximum efficiency.

Cutting Edge: To ensure a good quality cut, the blade and the counterblade must be set to the correct gap. The blades are quick and easy to align using the eccentric plate.

Protected drum body: Protected drum body The carrier bars of the blades have another function besides: they protect the closed drum from wear.

40-blade drum for OptiMaize S: With its higher throughputs and lower fuel consumption per tonne of chopped maize, the 40-blade Biogas cylinder pays for itself in no time. The extremely short chops of 2.5 mm to 15 mm ferment at a higher rate and increase the gas yield, allowing farmers to produce more biogas from a smaller fi eld.

High frequency of cuts: 40 blades can achieve an impressively high cutting frequency. So the Biogas drum cuts harvesting time and increases throughput – even when producing short LOCs.

48-blade drum for OptiMaize S: Delivering a 20% higher cutting frequency than the 40-blade drum and a theoretical LOC ranging from just 2 to 12 mm, this Super Biogas drum with 8 blades produces an even shorter chop, Boosting gas yields and throughput at the biogas plant even further and reducing fuel consumption per tonne of crop with the same LOC.

roller conditioner

OptiMaxx roller conditioners with 250 or 305 mm diameters
Slanted teeth for perfect conditioning to combine with OptiMaize S-XL drums
The gap between the rollers is conveniently adjusted from the cab
A strong spring assembly provides a consistent and high pressure
Maximum fracturing from an up to 50% speed difference (option)
BusaCLAD-Special coating technology for maximum service life

Every single kernel must be cracked to achieve an optimal digestibility. These user demands are perfectly met by the new OptiMaxx 250/305 roller conditioners with their slanted teeth, a new KRONE development.

Perfect conditioning: The new OptiMaxx roller conditioners have their teeth slanted at a 5° angle.This slant produces a clearly higher shearing effect and perfect conditioning of the crop which receives a very intensive treatment both length- and sideways.

Maximum intensity: The two toothed rollers operate at a 30 % speed difference. This standard difference can now increase to 40-50 % to deliver 100 % conditioning and fracturing of long chops as produced by OptiMaize XL.

The top-standard OptiMaxx 250
With the new OptiMaxx 250, KRONE presents a roller conditioner that off ers an even higher performance for the BiG X 680, 780, 880, 1180 models. This new development stands out for the following features:

250 mm diameter rollers have slanted teeth that give a unique shearing effect
10% longer rotors and a 7% higher rpm over the previous model.The greater length increases the friction
surface area and ensures an effective crop intake, intensive conditioning and optimum cracking results
Bigger and stronger springsapply a consistently high pressure on the crops
The two rollers in the assembly have different numbers of teeth:
A standard 30 % speed difference with a 40 % of 50 % differential being an option for intensive fracturing and optimum cracking results
BusaCLAD-Special coating technology as an option for maximum service life
Optional temperature sensors are available on the roller bearings for measuring the temperature and transmitting the readings to the operator terminal for maximum reliability and peace of mind.

OptiMaxx 305 for maximum output
OptiMaxx 305 was developed to bring more chopping power to the high-capacity BiG X 680/780/880/1180 models.Offering a 55 mm larger diameter than the OptiMaxx 250, this roller conditioner is the perfect match for the gargantuan appetite of these top-end foragers.

305 mm diameter rollers with oblong teeth give a special shear effect
A 11 % larger friction surface area and 20 % higher peripheral speed (than OptiMaxx 250) ensure an exemplary crop intake, intensive conditioning and optimum cracking amid high throughputs and long chop lengths.
Stronger and more powerful springs apply a uniform, constant and high pressure on the crops
A redesigned casing with beefier mountings ensures durability and longevity
Temperature sensors on the roller bearings transmit the data to the operator terminal and ensure maximum safety
Exemplarily easy to service and maintain thanks to large openings. Bearings, rollers and pulleys are replaced quickly and cleaning is as easy.
The two rollers in the assembly have different numbers of teeth:
– 125/150 for medium and long chopping lengths
– 150/175 for short and medium chopping lengths
A standard 30% or optional 40% speed difference for intensive fracturing and optimum cracking results
BusaCLAD-Special coating technology as an option for maximum service life

variquick

Krone BiG X 680 | 780 | 880 | 1180

Fast changeovers from grass to corn conditioning and vice versa
A chain drive lowers the unit conveniently
The changeover takes just a few minutes
Fast and easy removal of the corn conditioner

VariQuick is the system that allows operators to converse BiG X very quickly from maize to grass. A chain drive (electric option) moves the corn conditioner out of or into the crop flow. If the corn conditioner is not used for longer periods of time, you can lower it and remove it from the machine by pulling it out to the side.

Easy to transport: After the transport wheels are fitted without tools, the corn conditioner pulls out to the side and is conveniently rolled to the shed.

Corn Conditioner in park position: The chain drive moves the corn conditioner out of the crop flow and into its parking position so work can temporarily continue in grass without any major changeover.

Removing the Corn conditioner: If the corn conditioner is not used for an extended period of time, you can lower it with the help of the chain drive and then remove it.

varistream

Consistently smooth performance despite inconsistent crop flows
Extremely smooth running – also in lumpy swaths
High throughputs
Top quality chop
Operator comfort to perfection

KRONE VariStream comprises a spring-loaded floor beneath the chopping drum and a spring-loaded back plate in the crop accelerator housing.The system ensures blockage-free and smooth operation, even in varying volumes of crop. The technology allows operators to utilise the forager to its limit and use less fuel per hour.

Best quality of chop in inconsistent crop flows: The spring-loaded chopping drum floor is connected to the anvil of the counterblade at the front. As these are readjusted, the gap between the blades and floor does not change. So any movement of the spring-loaded chopping drum floor that compensates for an inconsistency in the crop flow will not affect the quality of chop.

A tight crop stream: The spring-loaded backplate on the crop accelerator ensures maximum throws and targeted fills in all conditions.

streamcontrol

An adjustable crop throw at the touch of a button from the cab
Tight crop stream even with a long crop throw
The shorter the crop throw, the less power is needed
Fills the trailer accurately without spillage

The crop throw is controlled from the cab by adjusting the door in the backplate on the crop accelerator. This way, operators can adjust the throw quickly to the current filling situation. As the accelerator needs less power to cover a short distance, the operator can free up engine output and use it for chopping and higher throughputs.

Variable throws: The crop throw is controlled via the hinged flap on the backplate of the accelerator. For a short throw, the flap moves out of the crop flow, so there is little contact between the crop and the accelerator. For a long throw, the flap moves into the crop flow, so there is more contact between the crop and the accelerator.

Short-distance throws: Filling trailers that are travelling alongside the forager does not require a powerful throw. Instead, in these situations engine output can be freed to boost the chopping capacity.

Long-distance crop throws: With the trailer following behind, the crop stream needs to be ejected from the spout at a higher speed. A strong, tight stream is needed to cover the long distance over the tractor to the trailer.

headers

Headers are swapped easily
Convenient attachment and removal
Very short set-up times
Compact combination
Maximum safety

The multi-coupler system of the BiG X allows operators to couple headers fast, easy and dependably from the seat, reducing changeover times when preparing for road travel or different crops. This way, more time is spent on productive work.

Large capacity: Working at widths of 3 m and 3.8 m, the EasyFlow pick-up on a BiG X gives the machine plenty of intake capacity. Depending on the swath width and your working speed, you can vary EasyFlow rpm steplessly from the cab or have it adjusted automatically to the current forward speed without the operator having to interfere. Its curved round steel bracket gives the Header the flexibility to pivot through a large angle and makes for easy attachment and removal.

KRONE XDisc is a versatile direct cut header that cuts whole crop silage cleanly and without losses. The powerful and massive 900 mm diameter feed auger on the XDisc 620 works trouble-free even in dense and tall crops.

High-power & high-efficiency: Working at widths of up to 10.5 m (34’5”), BiG X features the widest variable-row width header in the world. The endless collectors feed the stalks to the middle where they are turned through 90° and pulled in lengthwise.

Three work widths: The new XCollect header is available in three work widths: 600-3: 6 m (8 rows), 750-3: 7.5 m (10 rows) and 900-3: 9 m (12 rows) The three-section headers work to the well-proven EasyCollect collector principle. The XCollect splits the action of cutting and feeding into two separate processes.

the engine

8- or 12-cylinder V-engines from Liebherr
Compact V design for transverse mounting
Final Tier 4 / Stage V compliant
687-1156 hp maximum continuous engine power
High efficiency and quiet running

Advanced Common-Rail engine technology from Liebherr suggests superior outputs and fuel economy. The engines stand out for optimum torques, quiet running, superb fuel economy and high efficiencies.

the driveline

Simple design
An extra-strong poly V-belt transmits engine power to the crop assemblies
Long service life
Separate drive for the intake rollers and the headers: Rollers and headers are reversible if the chopping
drum suddenly stops
Separate and dependable driveline to the ground drive pump

The transversely mounted engine allows the chopping drum and the crop accelerator to take engine power directly off a powerbelt. The engine also drives the pumps for the intake rollers and the header and also the pump for the ground drive and the assemblies. The power flows through a power take-off gearbox which uses a multiplate clutch to engage the assemblies.

1 Engine mounted sideways
2 Belt drive system
3 Crop accelerator
4 7-groove powerbelt to choppingdrum and accelerator
5 7-groove powerbelt to corn conditioner
6 Corn conditioner
7 Chopping drum

Power to the assemblies
The chopping drum and the accelerator are powered by a powerbelt that provides a direct connection to the transversely mounted engine. The accelerator shaft drives the poly V-belt for the corn conditioner on the other side. Slackening the powerbelt to the chopping drum reverses the intake system and the header.

Carefully designed: The header and intake system are driven by oil pumps. This concept allows operators to adjust the header and intake speeds steplessly – ideal for adjusting automatically to varying harvesting conditions.

Optimum ground drive: Courtesy of a hydro pump that is flange-mounted on the main gearbox, Big X changes its ground speed infinitely variably. This is set either automatically or manually from the cab. The dependable powertrain guarantees maximum reliability.

4WD: BiG X 680/780/880 are available with hydraulic wheel motors on all four wheels as an option.

the running gear

Front-wheel drive is standard; four-wheel drive is an option
Powerful wheel motors from Bosch-Rexroth
Traction control with three travel modes
High ground clearance powertrain

Wheel motors offer greater productivity and a higher level of automation and operator
convenience. At the same time, this type of power train reduces maintenance and frees
valuable space to fit a bigger and more powerful chopping assembly and move this
further to the rear of the machine.

4WD: BiG X 680/780/880 are available with hydraulic wheel motors on all four wheels as an option.

Good build: The use of hydraulic wheel motors results in a very generous ground clearance and creates room for a larger diameter chopping drum and also leads to a more even weight distribution.

Great maneuvrability from independent wheel suspension: The independent wheel suspension system off ers plenty of room for steering so that even when clad with massive tyres BiG X remains a very nimble machine in undulating terrain. In addition, the suspended system provides maximum operator comfort.

Extremely agile: Using wheel motors increases the steering angle to a generous 50° for tightest turns and perfect match-ups after headland turns

superior visibility and servicing

LED lights for best visibility at night
Optimum access to all service points
Large storage compartment for tools
Auto lubricator for more convenience

In the heat of harvest operators often work into the night.To ensure best visibility
BiG X is equipped with a comprehensive light kit that turns night into day. Service and
maintenance are made easy too thanks to wide opening side panels, an opening engine
compartment cover, removable plastic mudguards and a ladder that swings out of the
way to give easy access to all service points.

Day and night: BiG X can take up to 23 optional LED work lights which make field work safe and effective even during those night shifts.

Moving the ladder out of the way: The access to the cab is easily moved out of the way to give convenient access to all nearside service points.

Automatic lubrication: The auto lubricator and its large grease reservoir allow operators to spend less time servicing and maintaining the machine.

Easy access: The hoods open wide and the rear mudguards give perfect access to all assemblies. LEDs are in place for easy service and maintenance even in poor light conditions.

Useful storage space: The nearside storage compartment at the rear boasts a pivoting table which accommodates the toolbox for convenient use.

Easy to get at: The batteries are stored in the storage space on the right side of the machine where they are in easy access.

the cab

Extremely spacious and quiet
Maximum seating and operator comfort
360° panoramic view
Optimum visibility from the raised cab (option)

It takes a comfortable working place to stay fit and alert during those long working days. The spacious Silent Space cab offers such an ideal environment. Providing generous space to the operator and a passenger, it provides a fully air-conditioning and an absolutely functional working place. The exclusive LiftCab offers an unprecedented panoramic view from a height of up to 70 cm.

A scissor lift for the cab: The cab is mounted on a scissor lift which raises and lowers the cabin to any position – infinitely variably and within a few seconds. The area under the cab floor is shielded to prevent of dirt and debris.

Superb visibility: If the BiG X is specified with a LiftCab, it will be possible to raise the complete cab to any height up 70 cm. From the raised position operators enjoy a full overview of the tall stands and can easily monitor the filling processes. As another advantage, the raised cab increases the distance between the operator and the chopping assemblies thereby reducing the noise level at operator’s ear.

Less operator stress – more peace of mind: Harvesting high-yielding maize crops, forager operators often are driving up towards an up to 4 m high wall of crop all day. The cab lift allows them to raise their seating position and enjoy a clear view of the field, reducing fatigue and helping them concentrate on the machine and spot any hazardous situations more easily.

Everything in control: High-sided trailers can be a problem for the forager operator who has to determine when the trailer is filled to capacity. In this situation, raising the cab by 70 cm is a big help. Whether the trailer is travelling alongside or behind the forager, the operator has always a clear view of the load area and can ensure optimum fills.

Panoramic view: High side windows and slim posts give the operator an unobstructed 360° view of all processes.

Sun blinds: Sun blinds are available for the side and rear windows to protect you from the sun and heat.

Perfect visibility: Now matter the conditions – rain or dust –BiG X operators always enjoy a clear view thanks to three optional wipers on the front window, two on the side windows and one on the rear window. All wipers have water jets.

Clear concept: The heating system and the air conditioning are operated from the terminal above the front window. The Follow- Home function lights your way as you get down from the cab. After you switch off for the night, some headlights stay switched on for several minutes, allowing you to fi nd your way safely.

The cockpit: All controls including the joystick, the screens and the terminals are designed to ergonomic standards and in easy reach from the operator seat.

digitalsystems

Chopping as short as necessary: A photo-optical sensor in the middle of the maize header measures the maturity of the plant and automatically adjusts the length of cut. Green maize is cut to longer chops to get more structure and reduce effluent in the clamp. By comparison, dry and brittle maize is cut to short chops to increase compaction. This way, AutoScan eases the load on the operator and reduces fuel consumption by optimizing the length of cut.

Lift speed: After the operator selects the desired engine load, ConstantPower automatically matches the forward speed to the current stand and yields, easing the strain on the operator and improving fuel economy at maximum throughput. In combination with AutoScan, this system takes the overall quality of chop and machine performance to a whole new level.

The EasyLoad auto loading system in tandem with the camera-based 3D image analysis make it so much easier to fill low- or high-sided trailers running alongside or behind the harvester. The system controls the open/close spout and the rotate left/right functions and allows operators to select one of several filling strategies. Monitoring all functions from the in-cab screen, operators are more at ease.

Intelligent precaution: The optional RockProtect system provides intelligent protection from damage by stones as it fully automatically halts the pre-compression rollers within milliseconds after a stone is detected. The sensitivity of the system is set by the operator.

Auto guidance: Every BiG X machine is ready to accept various ISOBUS guidance system brands. On the move, the operator activates autoguidance from the KRONE joystick.

Measuring yields per field: The optional KRONE CropControl yield metering system measures the volume of crop harvested per field quickly and accurately at the touch of a button. The system allows operators to document meticulously all yield information in all fields harvested.

Convenient weighing: AutoCalibrate is the remote calibration tool for the BiG X‘s yield metering system. It is based on a weighing system that is installed on one of the trailers in the harvest chain. Both the trailer and the forager are equipped with data loggers that communicate via a mobile network. Calibration takes place in real time as the ‘calibrating machine’ is being filled. The system is highly accurate and is the first system of its kind to eliminate the trip to the weighbridge.

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Krone BiG X 680 | 780 | 880 | 1180

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