Komatsu HB365LC-3 is a hybrid hydraulic crawler excavator in the 36-ton class, designed for earthmoving, utility, and general construction applications. It combines a diesel engine with Komatsu's hybrid system to recover and reuse energy during swing operations, helping reduce fuel consumption and emissions compared with conventional excavators. The HB365LC-3 features a reinforced undercarriage, hydraulic control system, and a spacious operator cab with standard excavator controls. It is used for digging, trenching, loading, and site preparation. The model is part of Komatsu's HB-series hybrid excavator line and is suited to contractors seeking lower operating costs and efficient performance.