Komatsu HB365LC-3 is a hybrid crawler excavator in the excavators category, designed for earthmoving, trenching, site preparation, and general construction work. It combines a diesel engine with hydraulic energy recovery technology to improve fuel efficiency and reduce operating costs compared with conventional excavators. The HB365LC-3 features a large-capacity digging system, reinforced undercarriage, and operator cab designed for visibility and control. It is commonly used in heavy civil, utility, and infrastructure applications where productivity and lower fuel consumption are important. Komatsu hybrid excavators are known for integrating electric swing energy recovery with standard hydraulic excavation functions.