Used Excavators Use Hitachi ZX70-5G

1. High efficiency performance: The Hitachi ZX70-5G excavator is equipped with advanced hydraulic and power systems, which have excellent excavation capabilities and work efficiency. Its operation is smooth, it can quickly complete mining tasks, and improve work efficiency. two High reliability: This excavator adopts advanced technology and high-quality components, with good reliability and durability. It can operate stably in various harsh working environments, reducing failure rates and downtime. three Comfortable cab: The cab design of Hitachi ZX70-5G excavator is humanized, providing a comfortable and spacious working environment. Drivers can easily master various functions of the machine through the multifunctional console, reducing their labor intensity. four Environmental protection and energy conservation: This excavator adopts energy-saving and environmentally friendly design and technology, which can reduce energy consumption and environmental pollution. It complies with the latest emission standards and reduces its impact on the environment. five Easy maintenance: The component layout of Hitachi ZX70-5G excavator is reasonable, and maintenance points are easily accessible. Equipped with an intelligent fault diagnosis system, it can quickly locate and solve faults, improving maintenance efficiency. six Multi functional configuration: The excavator is equipped with multiple functional configurations, such as hydraulic gripper, breaker hammer, tilt rotator, etc., which can meet various excavation operation needs. And it can also be personalized according to user needs, providing more application choices.

Specifications
Operating weight of the whole machine (kg): 6700
Bucket capacity (m ³): 0.33
Tonnage (ton): 7
Manufacturer: Joint Venture/Import
Power: Traditional Power
Bucket: Backhoe

Performance
Rotation speed (rpm): 10.7
Rotation torque (Nm): 12.9
Walking speed (km/h): High 5.0/Low 3.4
Climbing ability (%): 70% (35 °)
Ground voltage ratio (Kpa): 31
Bucket excavation force (kN): 55
Excavating force of boom (kN): 40
Maximum Traction Force (kN): 47.8

Dynamical system
Engine model: Yanmar 4TNV98-AVHBW
Rated power (kw/rpm): 42.4/2100
Displacement (L): 3.318
Number of cylinders: 4
Cylinder diameter x stroke (mm): 98 mm x 110 mm
Cooling method: Water cooling
Working form: 4-stroke, water-cooled, direct injection type

Hydraulic system
Main pump type: 3 variable axial piston pumps+1 gear pump
Maximum flow rate of main pump (l/min): 2 × 63+1 × 52.5
Walking hydraulic motor type: 2 variable axial piston motors
Rotary hydraulic motor type: 1 axial piston motor
Working hydraulic circuit (Mpa): 26
Walking hydraulic circuit (Mpa): 31.4
Rotary hydraulic circuit (Mpa): 22.6
Pilot oil circuit (MPa): 3.9
Pilot pump flow rate (L/min): 21
Number of boom cylinders x cylinder diameter x stroke (mm): 1 x 115 x 65
Bucket rod oil cylinder - number x cylinder diameter x stroke (mm): 1 x 95 x 60
Bucket oil cylinder - number x cylinder diameter x stroke (mm): 1 x 85 x 55

Oil capacity
Fuel tank (L): 135
Hydraulic oil tank (L): 60
Hydraulic system (L): 100
Engine oil change quantity (L): 12.3
Coolant (L): 8

Main body size
Total transportation length (mm): 6080
Total transportation width (mm): 2260
Total transportation height (mm): 2600
Full height of cab (mm): 2600
Boarding width (mm): 2260
Ground clearance of counterweight (mm): 760
Total length of track (mm): 2765
Track shoe width (mm): 450
Total width of track (mm): 2200
Track gauge (mm) :1750
Minimum ground clearance (mm) :360
Minimum turning radius of front-end working device (mm) :1720
Rear turning radius (mm) :1750

Scope of work
Maximum excavation radius (mm) :6320
Maximum excavation radius of the parking surface (mm): 6170
Maximum excavation depth (mm) :4170
Maximum excavation height (mm) :7150
Maximum unloading height (mm): 5060
Maximum vertical excavation depth (mm) :3730
Maximum effective excavation depth (mm) :3800
Bulldozer board width x height (mm) :2320 x 435
Bulldozer shovel lifting or pushing depth (mm): 400 × 280