Product Description
Engineered with precision hydraulics delivering 29.4 MPa working pressure, this 2021 Kobelco SK70 represents proven Japanese-German collaboration in compact excavator design. Built around a robust ISUZU AU4LE2X engine producing 41kW at 2200 RPM, this 7-ton machine combines reliable water-cooled performance with advanced axial piston hydraulic systems.
Key technical specifications include:
- Maximum digging reach of 6,460mm with 4,160mm depth capability
- Double variable displacement main pump with pilot gear pump backup
- Compact 2,630mm transport height for versatile job site access
- 11.5 RPM rotation speed with 1,290mm rear turning radius
- 120L fuel capacity supporting extended operation cycles
Located in Zhejiang, China, this SK70 demonstrates Kobelco's commitment to hydraulic efficiency and operational reliability. The machine's 5,830mm boom length and 7,390mm maximum excavation height provide substantial working envelope for its class, while maintaining the precise control characteristics that define this model series.
| Specifications | Value |
|---|---|
| No. | 978325 |
| Tonnage (tons) | 7 |
| Boom length (mm) | 5830 |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | ISUZU AU4LE2X |
| Rated power (kw/rpm) | 41/2200 |
| Cooling mode | water-cooling |
| Cylinder diameter × stroke (mm) | 85 x 96 |
| Number of cylinders (PCS) | 4 |
| Displacement (L) | 2.179 |
| Rotation speed (rpm) | 11.5 |
| Travel speed (km/h) | 2.8/5.3 |
| Rotary hydraulic motor type | Axial piston motor |
| Traveling Hydraulic Circuit (Mpa) | 27.5 |
| Rotary Hydraulic Circuit (Mpa) | 14.5 |
| Control Hydraulic Circuit (Mpa) | 3.5 |
| Main pump type | Double variable displacement axial piston pump + pilot gear pump |
| Working Hydraulic Circuit (Mpa) | 29.4 |
| Fuel Tank (L) | 120 |
| Hydraulic Tank (L) | 72 |
| Engine Oil changes (L) | 11 |
| Coolant (L) | 8.5 |
| Hydraulic System (L) | 120 |
| Total transport height (mm) | 2630 |
| Full cab height (mm) | 2630 |
| Minimum turning radius of front working device (mm) | 1760 |
| Back end turning radius (mm) | 1290 |
| Maximum digging radius (mm) | 6460 |
| Maximum digging depth (mm) | 4160 |
| Maximum excavation height (mm) | 7390 |
| Maximum unloading height (mm) | 5330 |
| Maximum vertical digging depth (mm) | 3450 |
| Maximum excavation radius of stop surface (mm) | 6300 |
| Maximum effective digging depth (mm) | 3800 |
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