The Kobelco SK390 LC-11 is a crawler excavator in the 39-ton class, designed for heavy-duty earthmoving, site preparation, trenching, and material handling. It is part of Kobelco's LC-11 excavator series and features a long undercarriage configuration for improved stability and ground contact during digging and lifting operations. The SK390 LC-11 is commonly used in construction, utility, quarry, and infrastructure applications where high breakout force, reach, and digging depth are required. As an excavator, it is typically equipped with a hydraulic boom, stick, and bucket system, with compatibility for a range of attachments depending on job requirements.