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Built for precision work on confined job sites, this 2017 Hitachi ZX70-3 mini excavator is fueled, serviced, and ready to dig from day one. Powered by a 4-cylinder Isuzu AU-4LE2X water-cooled engine producing 40.5 kW at 2,000 RPM, this 7-ton machine delivers consistent performance across digging, grading, trenching, and light demolition tasks. With a maximum digging depth of 4,170 mm and a bucket digging force of 55 kN, it handles tough ground conditions without hesitation.
- Engine: Isuzu AU-4LE2X | 40.5 kW / 2,000 RPM | 2.2L Displacement
- Bucket Capacity: 0.33 m³ backhoe bucket | Digging Force: 55 kN
- Maximum Digging Depth: 4,170 mm | Max Digging Radius: 6,320 mm
- Maximum Excavation Height: 7,150 mm | Max Unloading Height: 5,060 mm
- Travel Speed: 3.4 / 5.3 km/h | Climbing Ability: 70%
- Working Weight: 6,470 kg | Ground Pressure: 30 kPa
- Hydraulic System: Dual variable axial piston pumps | Main flow: 72.6×2 L/min
- Location: Jiangxi, China | Origin: Japan
| Specifications | Value |
|---|---|
| No. | 1068744 |
| Tonnage (tons) | 7 |
| Working weight (kg) | 6470 |
| Bucket capacity (m³) | 0.33 |
| Boom length (mm) | 3720 |
| Rod length (mm) | 1620 |
| Country of origin | Japan |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Isuzu AU-4LE2X |
| Rated power (kw/rpm) | 40.5/2000 |
| Cooling mode | water-cooling |
| Cylinder diameter × stroke (mm) | 85 x 96 |
| Number of cylinders (PCS) | 4 |
| Displacement (L) | 2.2 |
| Ground specific pressure (Kpa) | 30 |
| Rotation speed (rpm) | 10.5 |
| Climbing ability (%) | 70 |
| Bucket digging force (kN) | 55 |
| Rod digging force (kN) | 38 |
| Travel speed (km/h) | 3.4/5.3 |
| Rotary hydraulic motor type | Axial piston motor |
| Type of walking hydraulic motor | Variable axial piston motor |
| Maximum flow of main pump (l/min) | 72.6 * 2 + 61.6 + 22.0 |
| Traveling Hydraulic Circuit (Mpa) | 31.4 |
| Rotary Hydraulic Circuit (Mpa) | 23 |
| Main pump type | Variable axial piston pump ×2+ gear pump |
| Working Hydraulic Circuit (Mpa) | 26 |
| Pilot Oil Circuit (MPa) | 3.9 |
| Fuel Tank (L) | 135 |
| Hydraulic Tank (L) | 60 |
| Engine Oil changes (L) | 12.1 |
| Coolant (L) | 10.3 |
| Hydraulic System (L) | 100 |
| Total transport length (mm) | 6080 |
| Total transport width (mm) | 2260 |
| Total transport height (mm) | 2600 |
| Full cab height (mm) | 2600 |
| Counterweight ground clearance (mm) | 760 |
| Minimum ground clearance (mm) | 360 |
| Minimum turning radius of front working device (mm) | 1720 |
| Back end turning radius (mm) | 1750 |
| Total track length (mm) | 2765 |
| Track gauge (mm) | 1750 |
| Track plate width (mm) | 450 |
| Total track width (mm) | 2200 |
| Track ground length (mm) | 2140 |
| Maximum digging radius (mm) | 6320 |
| Maximum digging depth (mm) | 4170 |
| Maximum excavation height (mm) | 7150 |
| Maximum unloading height (mm) | 5060 |
| Maximum vertical digging depth (mm) | 3730 |
| Bulldozer lift or depth (mm) | 360/300 |
| Dodging plate width × height (mm) | 2200 x 460 |
| Maximum excavation radius of stop surface (mm) | 6170 |
| Maximum effective digging depth (mm) | 3820 |
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