KOMATSU PC390LC-11 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC390LC-11 is a robust hydraulic excavator engineered for demanding excavation and material handling applications. Powered by a six-cylinder diesel engine, this mid-sized machine delivers 257 horsepower (192 kW) at 1,950 rpm, providing the necessary force for efficient digging and loading operations. With an operating weight of 89,248 pounds, the PC390LC-11 features a reinforced box-section undercarriage design utilizing high-strength alloy steel components, significantly enhancing stability and durability while minimizing overall weight. The machine boasts exceptional reach capabilities, with a maximum digging depth of 26.6 feet and ground reach of 38.4 feet along the ground, making it ideal for deep excavation tasks and material extraction operations. The bucket capacity ranges from 0.89 to 2.91 cubic yards, accommodating various material handling requirements. The PC390LC-11 incorporates Komatsu's HydrauMind hydraulic system, a closed-center configuration optimizing control precision and energy efficiency. Notable features include dual boom mode settings—power mode for maximum digging force and smooth mode for fine grading—enabling versatility across multiple job sites. The machine achieves 70% gradeability with a 35-degree slope capability, ensuring reliable performance on challenging terrain. Additional innovations encompass bucket angle hold control, electronic all-speed governor, and intelligent Machine Control technology, reducing operational time and improving accuracy. The sealed track system with 49 shoes per side ensures extended undercarriage life. Maximum drawbar pull reaches 329 kilonewtons, delivering excellent maneuverability and slope-climbing performance, making this excavator a dependable choice for construction, mining, and material handling operations.