Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | PC1250-11R |
| Model Abbreviation | 1250 |
| Weight Range | Super Big Digger(50Above tons) |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | Mining |
| Power Type | Fuel |
| Engine (Fuel) | |
| Engine Brand | Komatsu |
| Model | SAA6D170E-7 |
| Type | Direct Injection，Turbine，Air-cooled aftercooler |
| Rated Power (kW) | 578 |
| Rated Speed (r/min) | 1800 |
| Total Displacement (L) | 23.15 |
| Performance Parameters | |
| Operating Weight (kg) | 117800 |
| Bucket Capacity (m³) | 3.40 - 8.30 |
| Travel Speed (High/Low) (km/h) | 3.3/2.3 |
| Swing Speed (rpm) | 5.8 |
| Slope Climbing Ability(%) | 70 |
| Bucket Digging Force (kN) | 479 |
| Arm Digging Force (kN) | 412 |
| Arm Length (mm) | 9100 |
| Boom Length (mm) | 3400 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 16070×5570×6040 |
| Cabin Full Height (mm) | 4120 |
| Clearance Over Counterweight (mm) | 1780 |
| Track Ground Length (mm) | 4995 |
| Total Track Length (mm) | 6425 |
| Track Shoe Width (mm) | 700 |
| Overall Track Width (mm) | 4965 |
| Track Gauge (mm) | 4600 |
| Minimum Ground Clearance (mm) | 990 |
| Minimum Turning Radius (Front Work Device) (mm) | 7965 |
| Rear End Swing Radius (mm) | 4860 |
| Working Range | |
| Maximum Digging Radius (mm) | 15350 |
| Maximum Digging Radius at Ground Level (mm) | 15000 |
| Maximum Digging Depth (mm) | 9350 |
| Maximum Digging Height (mm) | 13400 |
| Maximum Dumping Height (mm) | 8680 |
| Maximum Vertical Digging Depth (mm) | 7610 |
| Fluid Capacities | |
| Fuel Tank (L) | 1360 |
| Hydraulic Tank (L) | 1180 |
| Engine Oil Replacement Volume (L) | 97 |
| Coolant Capacity (L) | 134 |
| Hydraulic System | |
| Main Pump Type | Variable piston×3 |
| Maximum Flow Rate of Main Pump (L/min) | 1588 |
| Travel Hydraulic Motor Type | Variable piston×2 |
| Swing Hydraulic Motor Type | Fixed Piston×2 |
| Working Hydraulic Circuit (Mpa) | 31.4 |
| Travel Hydraulic Circuit (Mpa) | 34.3 |