Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model(/) | DS90-7 |
| Model Abbreviation | 90 |
| Excavator Weight (t) | 8.2 |
| Engine (Fuel) | |
| Model(/) | Cummins B3.3-C80 |
| Rated Power (kW) | 60 |
| Rated Speed (r/min) | 2200 |
| Performance Parameters | |
| Operating Weight (kg) | 8200 |
| Standard Bucket Capacity (m³) | 0.35 |
| Travel Speed (High/Low) (km/h) | 5.08/3.16 |
| Swing Speed (rpm) | 12 |
| Grounding pressure(kPa) | 0.038 |
| Slope Climbing Ability(%) | 70 |
| Bucket Digging Force (kN) | 53.9 |
| Arm Digging Force (kN) | 40 |
| Arm Length (mm) | 3720 |
| Boom Length (mm) | 1670 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 6250×2220×2565 |
| Cabin Full Height (mm) | 2565 |
| Track Ground Length (mm) | 2832 |
| Total Track Length (mm) | 5664 |
| Track Shoe Width (mm) | 450 |
| Overall Track Width (mm) | 2200 |
| Track Gauge (mm) | 1750 |
| Minimum Ground Clearance (mm) | 367 |
| Rear End Swing Radius (mm) | 1780 |
| Working Range | |
| Maximum Digging Radius (mm) | 6397 |
| Maximum Digging Radius at Ground Level (mm) | 6396 |
| Maximum Digging Depth (mm) | 4123 |
| Maximum Digging Height (mm) | 7208 |
| Maximum Dumping Height (mm) | 5212 |
| Hydraulic System | |
| Main Pump Type(/) | Variable Axial Piston Pump |
| Maximum Flow Rate of Main Pump (L/min) | 160 |
| Working Hydraulic Circuit (Mpa) | 28 |
| Travel Hydraulic Circuit (Mpa) | 28 |
| Swing Hydraulic Circuit (Mpa) | 28 |