近年来,日本林业劳动力的不足和老年化,严重地影响了山地造林前的整地作业。为此,日本爱知县农机具制造厂和大竹制作所均研制成功了适于山地和采伐迹地造林前局部整地的自走式小型挖坑机(以下简称挖坑机)。京都大学对这种挖坑机进行了性能试验。试验的内容有生产效率、允许的作业坡度、振动及噪音、操 In recent years, the shortage of forestry labor in Japan and the aging have severely affected the land preparation operations before afforestation in the mountains. For this reason, the Aichi Agricultural Machinery Manufacturing Plant and Otake Manufacturing Co., Ltd. both successfully developed self-propelled small-sized digging machines (hereinafter abbreviated as “digging machines”) that are suitable for mountainous and cutting sites before local afforestation. Kyoto University conducted a performance test on this kind of digging machine. The test content includes production efficiency, allowable work slope, vibration and noise, and operation