Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | QNL70 |
| Model Abbreviation | 70 |
| Excavator Weight (t) | 6.6 |
| Traveling Method | Tire Type |
| Engine | |
| Engine Brand | Cummins |
| Model | CUMMINS B3.3 |
| Rated Power (kW) | 45 |
| Rated Speed (r/min) | 2200 |
| Maximum Torque (N·m) | 214 |
| Total Displacement (L) | 3.3 |
| Number of Cylinders | 4 |
| Performance Parameters | |
| Operating Weight (kg) | 6600 |
| Bucket Capacity (m³) | 0.23 |
| Travel Speed (High/Low) (km/h) | 28 |
| Swing Speed (rpm) | 10 |
| Slope Climbing Ability(%) | ＞70 |
| Bucket Digging Force (kN) | 39.5 |
| Arm Digging Force (kN) | 26.1 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 6235×1890×2900 |
| Clearance Over Counterweight (mm) | 1020 |
| Wheelbase (mm) | 2200 |
| Track Gauge (mm) | 1600 |
| Minimum Ground Clearance (mm) | 320 |
| Minimum Turning Radius (Front Work Device) (mm) | 2750 |
| Rear End Swing Radius (mm) | 1890 |
| Working Range | |
| Maximum Digging Radius (mm) | 6270 |
| Maximum Digging Radius at Ground Level (mm) | 6050 |
| Maximum Digging Depth (mm) | 3605 |
| Maximum Digging Height (mm) | 5780 |
| Maximum Dumping Height (mm) | 4040 |
| Maximum Vertical Digging Depth (mm) | 2765 |
| Blade Width × Height (mm) | 1930× |
| Fluid Capacities | |
| Fuel Tank (L) | 105 |
| Hydraulic Tank (L) | 110 |
| Hydraulic System | |
| Main Pump Type | Axial variable piston pump |
| Maximum Flow Rate of Main Pump (L/min) | 2×55 |
| Travel Hydraulic Motor Type | Inclined Shaft Variable Piston Motor |
| Swing Hydraulic Motor Type | Axial Variable Piston Motor |
| Travel Hydraulic Circuit (Mpa) | 220 |
| Swing Hydraulic Circuit (Mpa) | 200 |
| Pilot Circuit (Mpa) | 30 |