Komatsu HB365LC-3 is a hybrid crawler excavator in the excavators category, designed for earthmoving, trenching, and general construction work. It combines a diesel engine with an electric swing motor and energy recovery system to improve fuel efficiency during repetitive digging and swing cycles. The HB365LC-3 uses a hydraulic system optimized for smooth control, reduced fuel consumption, and consistent performance in demanding site conditions. It is commonly configured with a standard boom, arm, and bucket for excavation and material handling applications. The model is part of Komatsu's hybrid excavator line for contractors seeking lower operating costs and reduced emissions.