Komatsu HB365LC-3 is a hybrid crawler excavator in the excavators category, designed for earthmoving, trenching, and general construction applications. It combines a diesel engine with an electric swing motor and energy recovery system to improve fuel efficiency and reduce operating costs compared with conventional hydraulic excavators. The HB365LC-3 features a large-capacity undercarriage, reinforced boom and arm, and a hydraulic system suited to demanding digging and loading work. It is commonly used in road building, site preparation, utility work, and material handling. The model is part of Komatsu's hybrid excavator line for operators seeking lower fuel consumption and consistent performance.