Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | CAT312 GC |
| Model Abbreviation | 312 |
| Weight Range | Small excavator(4-13Ton) |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | General purpose |
| Power Type | Fuel |
| Engine (Fuel) | |
| Engine Brand | Caterpillar |
| emission standard | Stage IV |
| Model | Cat® C3.6 |
| Rated Power (kW) | 74.4 |
| Rated Speed (r/min) | 2200 |
| Total Displacement (L) | 3.6 |
| Bore × Stroke (mm) | 98×120 |
| Performance Parameters | |
| Operating Weight (kg) | 11600 |
| Bucket Capacity (m³) | 0.53 |
| Swing Speed (rpm) | 11.5 |
| Bucket Digging Force (kN) | 85.9 |
| Arm Digging Force (kN) | 62.2 |
| Arm Length (mm) | 4300 |
| Boom Length (mm) | 2250 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 7280×2490×2780 |
| Clearance Over Counterweight (mm) | 890 |
| Track Ground Length (mm) | 3320 |
| Track Shoe Width (mm) | 500 |
| Track Gauge (mm) | 1990 |
| Minimum Ground Clearance (mm) | 425 |
| Rear End Swing Radius (mm) | 2160 |
| Working Range | |
| Maximum Digging Radius at Ground Level (mm) | 7600 |
| Maximum Digging Depth (mm) | 5080 |
| Maximum Digging Height (mm) | 7850 |
| Maximum Dumping Height (mm) | 5410 |
| Maximum Vertical Digging Depth (mm) | 4560 |
| Fluid Capacities | |
| Fuel Tank (L) | 237 |
| Hydraulic Tank (L) | 77 |
| Engine Oil Replacement Volume (L) | 11 |
| Coolant Capacity (L) | 11 |
| Hydraulic System | |
| Main Relief Valve Setting Pressure (Mpa) | 35 |
| Maximum Flow Rate of Main Pump (L/min) | 225 |
| Travel Hydraulic Circuit (Mpa) | 35 |
| Arm Cylinder - Bore × Stroke (mm) | 95×1002 |
| Boom Cylinder - Bore × Stroke (mm) | 105×1194 |
| Bucket Cylinder - Bore × Stroke (mm) | 90×939 |