A hole digger is a device that has a drill that, when turned on, starts drilling and turning the ground. Pit diggers are used for digging and digging all kinds of pits and holes for planting seedlings, trees, installing electric poles, holes for pouring manure, installing fence bases and many other things. The power of the hole motors is between 1 to 3 hp. In 3-horsepower engines, a variety of drills with diameters of 10, 20 and 30 cm can be installed. In the following, the specifications of different types of holes are described. Manual hole drilling or motor drilling Creating a hole in agriculture to install a fence and plant seedlings, without the use of special tools, is a very difficult and time consuming task.pay attention to this issue.