The SANY SY155U is a compact, mid-size excavator optimized for both urban and rugged oilfield projects. It weighs around 16,000 kg (35,274 lbs) and is powered by a 147 hp Isuzu engine, offering a dig depth of 5,700 mm and a bucket capacity of 0.6 m³. With a low tail swing and enhanced maneuverability, it excels in tight spaces while providing reliable hydraulic performance and operator comfort, making it suitable for short-term and long-term projects requiring precision and efficiency.