Purchased to open approximately 1500 holes for tree planting, along with a 15mm drill bit. It starts easily and seems to have decent construction materials. It performed well with the 10 or so test holes I made. I hadn't considered this brand before, but it was recommended to me by a trusted agricultural supply store. I will provide a complete assessment with results after completing the task.
Update 19/4/21: I have opened around 500 holes, with a depth of 30-40 centimeters. So far, no issues. After half an hour of work, I would let it cool down as a precaution, since time was not pressing. It starts right up. If it encounters a rock and you counter it with your hands, there is a risk and it requires caution. It happened to me 2-3 times, and I would let it stop on its own so as not to strain my shoulder. It burned about 2-3 liters of gasoline for the 500 holes in cultivated sandy soil.
Update 12/5/21: The task for which it was purchased has been completed... 1600 holes... it performed perfectly... for all these holes, it burned less than 7 liters of gasoline... one small issue I noticed... if it's cold and you start it, you put the air on off... as soon as it starts, you put it on on... also, mine wouldn't turn off when I put it on 0 and closed the air... it would idle... so I would press the gas and it would turn off... I removed the gasoline and stored it until the next task.