KOMATSU PC290LC-7 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC290LC-7 is a robust, high-performance crawler excavator engineered for demanding construction and excavation tasks. It features a powerful turbocharged, after-cooled SA6D102E-2 engine with a displacement of 358.9 cu in, delivering 179 hp (133 kW) at 2,050 rpm. The machine offers multiple boom/stick configurations, providing maximum cutting heights from 31.3 ft to 33.3 ft, digging depths up to 22.8 ft, and maximum reach along the ground up to 34.1 ft, making it highly adaptable for a range of applications. The bucket capacity ranges from a minimum of 1.3 cu yd to a reference capacity of 1.6 cu yd. The PC290LC-7 has an operating weight of 62,016.1 lbs, a ground clearance of 1.7 ft, and a width to outside of tracks of 10.5 ft. Its hydraulic system delivers a pump flow capacity of 118.9 gpm and a relief valve pressure of 5,404.9 psi, ensuring strong digging and lifting performance. The swing speed is 10.5 rpm, and the undercarriage is equipped with 7 track rollers and 2 carrier rollers per side, 45 shoes per side, and a 23.7 in shoe size, providing excellent traction and stability. Maximum travel speed is 3.5 mph (5 kph), and the drawbar pull reaches 55,997 lbs. The machine is equipped with a 24-volt electrical system, a 60-amp alternator, and ample fluid capacities for engine, hydraulic, and cooling systems. The PC290LC-7 combines reliability, operator comfort, and advanced technology for efficient and productive operation in diverse environments.