Product Description
Engineered with precision in Xuzhou, this 70-ton hydraulic excavator delivers industrial-grade performance through proven mechanical architecture. Power comes from a CUMMIS QSX15 turbocharged engine rated at 336 kW (1800 rpm), paired with dual plunger pumps supplying 2×450 L/min flow at 31.4/34.3 MPa main overflow pressure. The six-cylinder, water-cooled powerplant features 15-liter displacement and air-to-air intercooling for sustained output in demanding applications.
Hydraulic muscle translates to 370 kN bucket digging force and 330 kN arm digging force, enabling efficient material handling across an 11,580 mm maximum reach radius and 6,900 mm digging depth. The 6,600 mm boom and 2,900 mm arm configuration provides 7,370 mm dump height for high-sided trucks. Working weight sits at 68,000 kg with 99.1 kPa ground pressure distributed across 4,680 mm track contact length.
Key Technical Specifications:
- Bucket capacity: 3.1–3.5 m³ backhoe configuration
- Travel speed: 4.2/3.0 km/h with 30° gradeability
- 7 rpm slew speed on 25.5 MPa rotary circuit
- 980 L fuel capacity, 455 L hydraulic reservoir
- Transport dimensions: 11,940 × 4,280 × 4,700 mm
Cu
| Specifications | Value |
|---|---|
| No. | 1026357 |
| Tonnage (tons) | 70 |
| Working weight (kg) | 68000 |
| Bucket capacity (m³) | 3.1-3.5 |
| Boom length (mm) | 6600 |
| Rod length (mm) | 2900 |
| Country of origin | Xuzhou |
| power | Traditional power |
| manufacturer | Made in China |
| bucket | backhoe |
| Engine type | CUMMINS QSX15 |
| Rated power (kw/rpm) | 336/1800 |
| Cooling mode | water-cooling |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 15 |
| Working form | Turbocharged/air-to-air cooling |
| Ground specific pressure (Kpa) | 99.1 |
| Rotation speed (rpm) | 7 |
| Climbing ability (%) | 30 ° |
| Bucket digging force (kN) | 370 |
| Rod digging force (kN) | 330 |
| Travel speed (km/h) | 4.2/3.0 |
| Main overflow set pressure (Mpa) | 31.4/34.3 |
| Maximum flow of main pump (l/min) | 2*450 |
| Traveling Hydraulic Circuit (Mpa) | 34.3 |
| Rotary Hydraulic Circuit (Mpa) | 25.5 |
| Hydraulic crushing pipeline is standard | no |
| Main pump type | Two plunger pumps |
| Pilot Oil Circuit (MPa) | 3.9 |
| Fuel Tank (L) | 980 |
| Hydraulic Tank (L) | 455 |
| Engine Oil changes (L) | 48 |
| Total transport length (mm) | 11940 |
| Total transport width (mm) | 4280 |
| Total transport height (mm) | 4700 |
| Counterweight ground clearance (mm) | 1552 |
| Minimum ground clearance (mm) | 853 |
| Minimum turning radius of front working device (mm) | 4750 |
| Back end turning radius (mm) | 3900 |
| Track gauge (mm) | 2800/3350 |
| Track plate width (mm) | 650 |
| Track ground length (mm) | 4680 |
| Maximum digging radius (mm) | 11580 |
| Maximum digging depth (mm) | 6900 |
| Maximum excavation height (mm) | 11350 |
| Maximum unloading height (mm) | 7370 |
| Maximum vertical digging depth (mm) | 5500 |
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