The Komatsu HB205-1M0 is a robust hydraulic excavator designed for versatility and efficiency in heavy-duty applications. Powered by a turbocharged, aftercooled Komatsu SAA4D107E-1-A engine, it delivers a gross power of 147.6 hp (110 kW) and net power of 139.5 hp (104 kW). The engine is a water-cooled, 4-cycle direct injection type with a bore of 4.3 inches and stroke of 4.9 inches. Its hydraulic system features the advanced HydrauMind closed-center design, incorporating load sensing and pressure compensated valves controlled by a variable displacement piston main pump, enabling smooth, responsive operation. Key hydraulic capacities include a 35.7-gallon hydraulic tank, 0.9-gallon final drive, and 1.9-gallon swing drive. The HB205-1M0 employs a hydraulic lock for its service brake system, enhancing operational safety and control. Its undercarriage boasts 45 track shoes per side, 7 track rollers, and 2 carrier rollers, providing stable ground engagement, with a track gauge of 7.3 feet and a track length of 13.4 inches. The tail swing radius measures 9.1 feet, allowing maneuverability in confined spaces. This excavator integrates a powerful hydraulic motor system for travel and swing functions, achieving a maximum travel speed around 3.5 mph and effective drawbar pull for tough terrain. The combination of its engine, hydraulic sophistication, and durable undercarriage makes the Komatsu HB205-1M0 a versatile machine suitable for construction, landscaping, and mining tasks, delivering productivity, fuel efficiency, and operator-friendly controls.