The Biola crop roller is equipped with 2 rolls. The front (chop) roll has a diameter of 560 mm. and is equipped with a large number of sharp knives. This roll works above the ground, and is driven by a chain drive from the rear roll. The rear roll has a diameter of 460 mm. and rolls over the soil and crop.
The front roll has a gear with 12 teeth. The rear roll has a gear with 42 teeth. The gives a speed on the front roll of 3:1. If needed there are other gears available, to change the speed of the front roll.
The Biola machines weigh approximately 300 kg. per meter working width.
Available in the following working widths:
* 2 meter
* 3 meter
* 4 meter
* 5 meter
* 6 meter
* 8 meter