Profile: Krone BIG X 1180

The world premiere of the new Krone flagship BiG X 1180 revealed the world’s most powerful forage harvester

The Krone BiG X 680, 780, and 880 forager ranges underline the company’s long-standing excellence as a manufacturer of high-capacity forage harvesters. 

The world’s most powerful forage harvest – the Krone BiG X1180

In the BiG X 1180, the extra engine power is generated by the 24.24-litre, 850kW/1165hp Liebherr V12 engine. This makes the Krone Big X not only the world’s most powerful forage harvester but also one that scores highly when it comes to useful engine features.

Oil, filter, and valve service intervals have been extended to 1000 hours, and all models in the range are naturally compliant with emission stages V and Tier 4f (relying merely on SCR emission treatment). Also, the BiG X 1180 is available with the Krone lift cab.

OptiMaxx 250: Slanted teeth create a shearing effect

Teeth slanted at a five-degree angle for higher performance

Another innovation is the roller conditioner. The OptiMaxx 250 Corn Conditioner’s teeth are slanted at a five-degree angle, which results in higher performance. The slant produces a shearing effect as the teeth condition the material, leading to an intensive treatment not only in axial but also lateral direction.

The new 250mm diameter rollers are available with 105/123 (for medium and long chopping lengths) or 123/144 teeth (for short and medium chops).

OptiMaxx 305: The biggest-diameter rollers on the market

Powered by a 24L Liebherr V12 engine 

Higher engine power and throughputs require the new BiG X 1180 to use larger-diameter conditioning rollers. Therefore, the conditioner’s rollers increased to 305mm in diameter (OptiMaxx305) with teeth slanted at an angle.

These changes lead to a unique shearing effect, increase the friction surface area and the circumferential speed. The OptiMaxx 305 roller conditioner stands out for an exemplary crop intake and intensive treatment – even in long chops. As the diameter grows, the number of teeth increases as well. 

The new roller conditioner design also excels in terms of handling with the new housing resting in massive easy-to-service bearings. Swapping bearings, rollers, and pulleys to alter the speed difference from 30% to 50% is an easy job. Cleaning is straightforward, thanks to large service openings.

Another practical feature measures the temperature inside the bearings and displays
it on the screen – important details to help ensure reliable and safe operation.

Both roller conditioners – the OptiMaxx 250 and OptiMaxx 305 – mount in a massive spring assembly that allows them to exert a consistently high pressure on the crop. The result is intensive kernel and fibre treatment at all LOCs.

Automatic counterblade adjustment

As an option, the BiG X 680, 780, 880, and 1180 models can adjust the counterblade, which allows operators to reset the counterblade within seconds by a touch of a button. This can also be done manually from the external control.

EasyLoad: The automatic filling system from Krone

Full in-cab control

Equipped with a camera-based 3D image analysis and the automatic EasyLoad filling system, the forager offers convenient filling of trailers that run alongside the harvester. The system controls the spout automatically (open/close spout flap; rotate spout right/left) and allows operators to select various filling strategies such as ‘front to rear’.

They can also program specific filling levels and the impact point of the crop stream in the
wagon – a great boon that reduces operator stress in the heat of harvest. The operator
can conveniently monitor all machine functions from the cab.

In the future, the system will also control auto filling into trailers following the harvester. The feature is currently trialled and will be available soon (also as a retrofit version).

Moisture and nutrient meter with online AgriNIR measuring

Accurate filling with the EasyLoad system

The optional AgriNIR online sensor supplies accurate data on the crop’s moisture and nutrient levels. The sensor is manufactured by Dynamica Generale, a long-standing manufacturer with extensive experience in this field.

It supplies the following crop information: dry matter, starch, crude protein, crude ash, crude fat, ADF acid detergence fibres, and NDF neutral detergence fibres. The data is stored to the Krone terminal, assigned to the individual fields, and can be processed by various software applications.

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