KOMATSU PC750LC-7 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC750LC-7 is a heavy-duty hydraulic crawler excavator engineered for demanding earthmoving and excavation applications. Powered by a Komatsu SAA6D140E-3 turbocharged diesel engine with an aftercooler, this machine delivers 454 net horsepower at 1,800 rpm, providing exceptional hydraulic power and digging force. The excavator features a maximum bucket capacity of 5.3 cubic yards and operates at a relief pressure of 4,980 psi with a hydraulic pump flow capacity of 261.1 gallons per minute, enabling fast cycle times and smooth operation. With an operating weight of approximately 80,645 to 83,760 kilograms (177,791 pounds), the PC750LC-7 delivers impressive working range capabilities, including a maximum digging depth of 8.45 meters (27.8 feet), maximum reach along ground of 13.66 meters (44 feet), and a maximum vertical wall digging depth of 4.93 meters (16.1 feet). The machine's robust undercarriage features 47 shoes per side with a ground pressure of only 12.5 psi, ensuring excellent stability on challenging terrain while minimizing surface damage. The PC750LC-7 incorporates advanced productivity features including heavy lift mode for 10 percent increased lifting force, swing priority mode for efficient truck loading, and dual boom settings for versatile operation. Equipped with dual working modes—Active and Economy—the excavator reduces fuel consumption by 12 percent in Economy mode without sacrificing productivity. The machine's hydrostatic transmission, enclosed EROPS cab, and 232.5-gallon fuel capacity support extended operational periods, making it ideal for heavy construction, mining, and quarrying applications.