KOMATSU PC750SE-7 CRAWLER EXCAVATORS

Technical Description

The Komatsu PC750SE-7 is a heavy-duty hydraulic crawler excavator engineered for maximum productivity and performance in rigorous construction and mining applications. Powered by the Komatsu SAA6D140E-3 turbocharged and aftercooled engine, it delivers a robust net output of 454 horsepower (338 kW) at 1800 rpm, meeting stringent EC Stage II emission regulations without compromising power or fuel efficiency. The hydraulic system features an advanced electronic open-centre load sensing (E-OLSS) design with a flow capacity of 129 gpm, optimizing operability and fuel consumption, including modes like economy, heavy lift, and swing priority to enhance efficiency and lifting force by up to 10% when needed. In terms of dimensions, the PC750SE-7 offers a maximum digging depth of 23.4 feet and a maximum cutting height of 37.2 feet, with a maximum reach along the ground of 39.2 feet and a vertical wall digging depth of 13.4 feet. Its bucket capacity ranges from 4.8 to 7.9 cubic yards, providing versatility for various earthmoving tasks. The excavator’s operating weight is approximately 168,091.5 pounds, supported by a sturdy undercarriage with 47 shoes per side, track rollers, and a ground pressure of 18 psi, ensuring excellent stability and maneuverability across different terrains. The machine dimensions include a ground clearance of 2.8 feet, a track gauge of 11.5 feet, and a width to outside of tracks of 13.5 feet. The cab height is 11.4 feet, with a shipping height of 15.2 feet and shipping length of 42.8 feet, facilitating transport logistics. Additional features include a hydraulic lock service brake, hydrostatic high-low travel system with auto-shift, and a fuel capacity of 232.5 gallons, supporting extended operation times. The PC750SE-7’s smart operating modes, durable build, and efficient hydraulic controls make it a reliable asset for demanding excavation projects.