Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | CE420-7 |
| Model Abbreviation | 420 |
| Excavator Weight (t) | 40 |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | Mining |
| Engine (Fuel) | |
| Engine Brand | Cummins |
| Model | QSM11 |
| Rated Power (kW) | 246 |
| Rated Speed (r/min) | 2100 |
| Performance Parameters | |
| Operating Weight (kg) | 40000 |
| Bucket Capacity (m³) | 2.0/1.6（Straight bucket/Backhoe） |
| Travel Speed (High/Low) (km/h) | 0-3.0/0-5.0 |
| Swing Speed (rpm) | 9.6 |
| Bucket Digging Force (kN) | 244/200（Straight bucket/Backhoe） |
| Arm Digging Force (kN) | 213/178（Straight bucket/Backhoe） |
| Arm Length (mm) | 3900/7050（Straight bucket/Backhoe） |
| Boom Length (mm) | 2600/3350（Straight bucket/Backhoe） |
| Working Range | |
| Maximum Digging Radius (mm) | 7714/12282（Straight bucket/Backhoe） |
| Maximum Digging Depth (mm) | 3259/7707（Straight bucket/Backhoe） |
| Maximum Digging Height (mm) | 9207/12040（Straight bucket/Backhoe） |
| Maximum Dumping Height (mm) | 6878/8683（Straight bucket/Backhoe） |
| Fluid Capacities | |
| Fuel Tank (L) | 590 |
| Hydraulic Tank (L) | 480 |
| Hydraulic System | |
| Main Pump Type | Hydraulic pilot control |
| Main Relief Valve Setting Pressure (Mpa) | 30 |
| Maximum Flow Rate of Main Pump (L/min) | 3×320 |