Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | CAT320 |
| Model Abbreviation | 320 |
| Weight Range | Medium Dredge(13-30Ton) |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | General purpose |
| Power Type | Fuel |
| Engine (Fuel) | |
| Engine Brand | 卡特彼勒 |
| emission standard | Stage IV |
| Model | Cat® C4.4 |
| Rated Power (kW) | 129.4 |
| Rated Speed (r/min) | 2000 |
| Total Displacement (L) | 4.40 |
| Bore × Stroke (mm) | 105×135 |
| Performance Parameters | |
| Operating Weight (kg) | 21800 |
| Bucket Capacity (m³) | 1.19 |
| Swing Speed (rpm) | 11.25 |
| Bucket Digging Force (kN) | 150 |
| Arm Digging Force (kN) | 106 |
| Arm Length (mm) | 5700 |
| Boom Length (mm) | 2900 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 9530×2980×2960 |
| Clearance Over Counterweight (mm) | 1050 |
| Track Ground Length (mm) | 4450 |
| Track Shoe Width (mm) | 600 |
| Track Gauge (mm) | 2380 |
| Minimum Ground Clearance (mm) | 470 |
| Rear End Swing Radius (mm) | 2830 |
| Working Range | |
| Maximum Digging Radius at Ground Level (mm) | 9860 |
| Maximum Digging Depth (mm) | 6720 |
| Maximum Digging Height (mm) | 9370 |
| Maximum Dumping Height (mm) | 6490 |
| Maximum Vertical Digging Depth (mm) | 5190 |
| Fluid Capacities | |
| Fuel Tank (L) | 345 |
| Hydraulic Tank (L) | 115 |
| Engine Oil Replacement Volume (L) | 15 |
| Coolant Capacity (L) | 25 |
| Hydraulic System | |
| Main Relief Valve Setting Pressure (Mpa) | 35 |
| Maximum Flow Rate of Main Pump (L/min) | 429 |
| Travel Hydraulic Circuit (Mpa) | 34.3 |
| Swing Hydraulic Circuit (Mpa) | 27.5 |


