When it comes to heavy-duty construction equipment, the Sany 20ton Crawler Excavator--SY215C stands out as a top-of-the-line machine. This hydraulic excavator, also known as a excavator digger, is designed to handle the toughest jobs with ease and precision. Equipped with a quiet, low-vibration engine and an efficient load-sensing hydraulic system, the Sany crawler excavator is a powerhouse in the construction industry.