The 9YFS-2.2 square baler is equipped with three heavy-duty Rasspe knotters, a wider feeder, and a reinforced compression chamber, enabling it to produce larger and denser bales. This machine requires a wheeled tractor with a minimum of 60 horsepower and can be operated by a single tractor driver. It is suitable for use across various grasslands and farmlands. Additionally, it can also be utilized for fixed operations with manual feeding or other methods.nds of grassland and farmland operation. At the same time, it is also suitable for fixed operation by manual feeding or other methods.