HITACHI ZX270 LC-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX270 LC-3 excavator is a robust hydraulic machine designed for heavy-duty construction, mining, and infrastructure applications. It operates with a powerful 188 hp (140 kW) turbocharged and intercooled Isuzu AH-4HK1XYSA-03 engine capable of delivering high performance at 2100 rpm. The excavator’s operating weight is approximately 63,425 lbs, providing excellent stability and traction in demanding environments. Two boom/stick configurations offer varying reach and digging capabilities: Option 1 allows a max cutting height of 32.9 ft, max digging depth of 23.9 ft, and max reach along ground of 34.7 ft; Option 2 extends these parameters to 34.4 ft, 26 ft, and 36.5 ft respectively, enabling versatile operation on different job sites. The ZX270 LC-3 features a reference bucket capacity of 2.3 cubic yards and a digging depth of up to 25 ft, supported by a ground reach of 37 ft. Its undercarriage comprises 49 shoes per side with a track gauge of 8.5 ft and ground clearance of 1.7 ft, producing a ground pressure of 5.9 psi and a max travel speed of 3.4 mph. The excavator’s hydraulic system operates at relief valve pressure of 4980 psi with a hydraulic pump flow capacity of 124.7 gpm, facilitating efficient and responsive control despite occasional reports of hydraulic lag. The enclosed cab ensures operator comfort with ergonomic controls and good visibility, while auxiliary hydraulics and a swing mechanism with a speed of 12.6 rpm enhance versatility. Key dimensions include a shipping height of ~10.5 to 11 ft and length of ~34 to 35.3 ft depending on boom configuration. The ZX270 LC-3 balances power, precision, and fuel efficiency, making it a dependable workhorse for various excavation tasks.