HITACHI ZX670LCH-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX670LCH-3 is a heavy-duty hydraulic excavator engineered for high productivity and durability in demanding construction and mining environments. This model features a robust design with a maximum operating weight of 148,371.2 lbs and a net engine power output of 463 hp (345 kW) delivered by a turbocharged AH-6WG1XYSA-02 engine with a displacement of 957 cu in. The engine produces peak torque of 1,460.4 lb-ft at 1,500 rpm, ensuring strong performance under load. Equipped with a reference bucket capacity of 2.4 cu yd, the ZX670LCH-3 offers two boom/stick configurations: Option 1 provides a max cutting height of 36.8 ft, digging depth of 23.4 ft, loading height of 24.1 ft, and reach along ground of 37.8 ft; Option 2 increases these to 39.2 ft, 28.1 ft, 26.4 ft, and 42.8 ft respectively, with a vertical wall digging depth of 25.4 ft. The machine’s dimensions include a top cab height of 11.8 ft, width to outside of tracks of 13 ft, and ground clearance of 2.9 ft. The undercarriage features 47 shoes per side, 8 track rollers, and a shoe size of 25.6 in, delivering a ground pressure of 14.7 psi and a maximum travel speed of 3.1 mph. Hydraulic system specifications include a pump flow capacity of 241 gpm, system fluid capacity of 179.7 gal, and a relief valve pressure of 4974.8 psi. The swing mechanism operates at 9.5 rpm, providing smooth and efficient rotation. With a fuel capacity of 237.8 gal, the ZX670LCH-3 is designed for extended operation and reliability in heavy-duty applications.