Technical Description
The Komatsu PC230NHD-7 is a robust hydraulic excavator engineered for high productivity and fuel efficiency, featuring a turbocharged, after-cooled Komatsu SAA6D102E-2 engine with 143 horsepower at 1950 rpm and a displacement of 358.9 cubic inches. It offers multiple boom and stick configurations, providing versatile reach capabilities including a maximum cutting height from 31.3 ft up to 35.6 ft, maximum digging depths between 16.6 ft and 21.7 ft, and maximum reach along ground ranging from 28.5 ft to 33.2 ft. The machine’s operating weight is approximately 49,824.5 lbs, with a ground pressure of 7.8 psi and a track gauge of 8.4 ft, ensuring stability and traction for demanding work conditions.
The excavator’s hydraulic system delivers a flow capacity of 113.1 gallons per minute with a relief valve pressure of 5,404.9 psi, supporting powerful and efficient hydraulic operations including a swing speed of 11.9 rpm. Its undercarriage features 47 shoes per side, 7 track rollers per side, and a drawbar pull of 45,349 lbs, facilitating maximum travel speeds of up to 3.4 mph. Dimensions include a ground clearance of 1.6 ft, a track length on the ground of 11.4 ft, and a tail swing radius of 9.2 ft, with a cab height of 10 ft for operator comfort and visibility.
Additional features include a 24-volt electrical system with a 60-amp alternator, a fuel capacity of 105.7 gallons, hydraulic fluid capacity of 37.8 gallons, and advanced operator modes (Active, Eco, Base, and Lifting modes) for tailored performance. The PC230NHD-7 meets EC Stage II emissions standards, offering a balance of power, efficiency, and environmental compliance suitable for diverse excavation tasks.