KOMATSU PC490LC-10 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC490LC-10 is a heavy-duty hydraulic crawler excavator designed for high productivity and durability in demanding construction and material handling applications. Powered by a Komatsu SAA6D125E-6-A engine with a displacement of 673.8 cu in, it delivers 359 hp (268 kW) net power at 1900 rpm, ensuring strong performance with efficient fuel consumption. The machine features a 172-gallon fuel capacity and a hydraulic system fluid capacity of 65.5 gallons to support extended operation. With a maximum digging depth of 25.4 ft and a maximum reach along the ground of 38.8 ft, the PC490LC-10 excels in excavation tasks. Its dimensions include a ground clearance of 1.9 ft, cab height of 11.1 ft, track length on ground of 17.7 ft, and a track width of 12 ft, providing stability and maneuverability on rough terrain. The counterweight clearance is 4.6 ft, with a tail swing radius of 14.3 ft. The excavator’s undercarriage is reinforced with 49 track shoes per side, 8 track rollers, and 2 carrier rollers per side, delivering a drawbar pull of 73,987 lbs and a maximum travel speed of 3.4 mph (5 kph). Its swing speed is 9 rpm, enabled by a robust swing mechanism fluid capacity of 5.3 gallons. The PC490LC-10 incorporates multiple working modes to optimize engine speed, pump flow, and system pressure for various operational needs, improving efficiency and versatility. Heavy-duty structural reinforcements in the frame, boom, and undercarriage enhance its lifting capacity and durability, making it suitable for tough loading and excavation tasks.