HITACHI ZX870H-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX870H-3 is a heavy-duty hydraulic crawler excavator designed for demanding earthmoving and material handling operations. This robust machine features a turbocharged six-cylinder engine producing 532 net horsepower and 1,659.6 foot-pounds of torque, delivering exceptional power for rigorous job site conditions. The excavator offers three boom and stick configurations to optimize performance for specific applications, with maximum digging depths ranging from 23.5 to 29.2 feet and maximum reach along ground extending up to 45.4 feet. The variable bucket capacity spans from 3.8 to 5.9 cubic yards, accommodating diverse material handling requirements. With an operating weight of approximately 181,000 pounds, the ZX870H-3 provides substantial stability and penetration force, generating bucket digging forces up to 472 kilonewtons. The hydraulic system operates at 4,974.8 psi with a pump flow capacity of 279 gallons per minute, ensuring responsive and efficient operation. The machine features a 7.3 rpm swing mechanism and maximum travel speed of 2.6 miles per hour, enabling efficient repositioning on the work site. The undercarriage comprises 47 shoes per side with 650-millimeter double grouser tracks, providing excellent traction and mobility across varied terrain while maintaining low ground pressure of approximately 19 psi. The spacious, comfortable cab accommodates operators during extended work shifts. Fuel capacity of 295.9 gallons supports extended operational periods, while the comprehensive hydraulic system with 208.7-gallon fluid capacity ensures sustained performance and reliability for heavy-duty applications in mining, quarrying, and large-scale construction projects.