DAMT 520 Motor Grass DAMT 520 Motor Grass is equipped with a 2.3 hp two-stroke single-cylinder engine that is designed for multi-purpose (4-function). The fuel of this device is a combination of gasoline and oil and it is equipped with four branches of female branch shaft, female boxwood shaft, grass cutter shaft and cultivator shaft shaft. The blade of this device rotates at a speed of 2800 rpm in free mode. Using this device, you can prune and correct the tree, correct the boxwood and the grass.