The Link-Belt 300 X4 is a hydraulic excavator in Link-Belt's X4 series, designed for general earthmoving, utility work, site preparation, and material handling. It is equipped with a diesel engine, hydraulic system, and crawler undercarriage for stable operation on varied terrain. The 300 X4 typically features a full-size operator cab, advanced control systems, and multiple attachment options for digging, trenching, and loading applications. As an excavator, it is used in construction, infrastructure, and excavation projects where reach, digging force, and cycle efficiency are required. Specifications may vary by configuration, region, and production year.