HITACHI ZX870LCH-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX870LCH-3 is a high-performance, ultra-large hydraulic excavator engineered for demanding construction and mining applications. Powered by a turbocharged Isuzu AH-6WG1XYSA-03 engine with a displacement of 957 cubic inches, it delivers a net power output of 532 horsepower (397 kW) at 1,800 rpm and a maximum torque of 1,659.6 lb-ft at 1,600 rpm. The machine features a robust undercarriage with a 650 mm track width, 51 shoes per side, and a ground pressure of 17.6 psi, ensuring stability and durability on challenging terrain. Its operating weight is approximately 185,188.4 lbs, with a fuel capacity of 295.9 gallons and a hydraulic system fluid capacity of 208.7 gallons, supporting extended operation cycles. The ZX870LCH-3 offers versatile digging and loading capabilities, with a maximum bucket capacity of 5.9 cubic yards and a reference bucket capacity of 4.6 cubic yards. It is equipped with a hydraulic pump flow capacity of 279 gallons per minute and a relief valve pressure of 4,974.8 psi, enabling efficient and powerful hydraulic performance. The excavator’s dimensions include a maximum cutting height of up to 42.7 feet, a maximum digging depth of 29.2 feet, and a maximum reach along the ground of 45.4 feet, depending on boom and stick configuration. The machine’s swing speed is 7.3 rpm, and it features a ground clearance of 3 feet, a height to the top of the cab of 12.5 feet, and a width to the outside of the tracks of 13.5 feet. The ZX870LCH-3 is designed for reliability, efficiency, and operator comfort, making it a top choice for heavy-duty excavation tasks.