Efektywność pracy harwestera Valmet 911 Snake w warunkach górskich

In the times of market economy the rational harvesting of timber both in the lowland and mountain forests demands application of such technical means, which are economically effective. The use of the harvester Valmet 911 Snake can be one of possible solutions in this respect. The productivity of this machine as shown in Austrian studies ranges from 12 to 32 m3/h. The unit costs of timber harvesting under Austrian conditions are 13 to 36 PLN/m3. In Poland these costs would be lower by 25 percent.