Hitachi Construction Machinery is a world-leading manufacturer of construction equipment. Hitachi Construction Machinery is headquartered in Tokyo, Japan, and sells its products throughout the world.
Here are some important parameters of the Hitachi ZX70-5G excavator.
Hitachi ZX70-5G excavator parameter configuration
Specification |
|
|---|---|
| Machine working weight (kg) | 6700 |
| Bucket capacity (m³) | 0.33 |
| Tonnage (tons) | 7 |
| power | Traditional power |
| Bucket | Backhoe |
Capability |
|
| Rotation speed (rpm) | 10.7 |
| Rotation torque (kN/m) | 12.9 |
| Walking speed (km/h) | high5.0/low3.4 |
| Gradeability(%) | 70%(35°) |
| Ground pressure (Kpa) | 31 |
| Bucket digging force (kN) | 55 |
| Stick digging force (kN) | 40 |
| Maximum traction (kN) | 47.8 |
power system |
|
| engine model | Yanmar 4TNV98-AVHBW |
| Rated power (kw/rpm) | 42.4/2100 |
| Displacement (L) | 3.318 |
| Number of cylinders (pcs) | 4 |
| Bore×Stroke (mm) | 98 mm×110 mm |
| cooling method | Water cooling |
| Forms of work | 4-stroke, water-cooled, direct injection |
Hydraulic system |
|
| Main pump type | 3 variable axial piston pumps + 1 gear pump |
| Maximum flow of main pump (l/min) | 2×63+1×52.5 |
| Traveling hydraulic motor type | 2 variable axial piston motors |
| Swing hydraulic motor type | 1 axial piston motor |
| Working hydraulic circuit (Mpa) | 26 |
| Walking hydraulic circuit (Mpa) | 31.4 |
| Swing hydraulic circuit (Mpa) | 22.6 |
| Pilot oil circuit (MPa) | 3.9 |
| Pilot pump flow (L/min) | 21 |
| Boom cylinder-number×bore×stroke(mm) | 1×115×65 |
| Stick cylinder-number × cylinder diameter × stroke (mm) | 1×95×60 |
| Bucket cylinder-number × cylinder diameter × stroke (mm) | 1×85×55 |
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