KOMATSU PC290LC-11 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC290LC-11 is a mid-size hydraulic excavator engineered for extended-reach applications, featuring a robust Komatsu SAA6D107E-3 turbocharged diesel engine producing 197.2 net horsepower at 2,050 rpm. With an operating weight of 70,702 lbs and a maximum bucket capacity of 2.13 cubic yards, this machine delivers versatile digging performance across diverse job sites. The excavator incorporates Komatsu's advanced Closed-Center Load Sensing (CLSS) hydraulic system with a pump flow capacity of 126.6 gallons per minute, ensuring efficient operation at lower engine speeds while minimizing fuel consumption. Maximum digging depth reaches 22.7 feet with a maximum reach of 35.2 feet, accommodating variable working conditions. The machine provides exceptional arm crowd force capabilities with ISO ratings of 30,124 lbs and bucket digging force reaching 44,512 lbs, enabling substantial material handling. Featuring a swing speed of 10.5 rpm with 64,292 ft-lbs of torque, the PC290LC-11 delivers quick cycle times for enhanced productivity. The undercarriage utilizes a hydrostatic drive system with automatic 3-speed selection and maximum travel speed of 3.5 mph, supported by 48 shoes per side and dual-stage hydraulic brakes. The spacious ROPS cab includes a heated air suspension seat and high-resolution LCD monitor for operator comfort and machine control. Compliance with Tier 4 Final emission standards demonstrates environmental responsibility, while the robust boom and arm construction using high-tensile steel plates ensures durability against bending and torsional stress.