Komatsu PC300LC-7 is a hydraulic crawler excavator in the PC300 class, designed for general earthmoving, trenching, site preparation, and material handling. The LC designation indicates a long undercarriage configuration for improved stability and ground contact. This model is commonly equipped with a Komatsu diesel engine, hydraulic boom, arm, and bucket controls, and an enclosed operator cab. The PC300LC-7 is used in construction, utility, quarry, and civil works applications. Typical features include a reinforced undercarriage, swing system, and auxiliary hydraulic capability for attachments. Specifications vary by market, year, and configuration.