Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | 308.5 |
| Model Abbreviation | 3085 |
| Excavator Weight (t) | 8 |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | General purpose |
| Engine (Fuel) | |
| Engine Brand | Caterpillar |
| Model | C3.3B |
| Type | Mechanical turbine engine |
| Rated Power (kW) | 55.4 |
| Rated Speed (r/min) | 2200 |
| Total Displacement (L) | 3.33 |
| Bore × Stroke (mm) | 94*120 |
| Performance Parameters | |
| Operating Weight (kg) | 8668 |
| Bucket Capacity (m³) | 0.38 |
| Travel Speed (High/Low) (km/h) | 4.4/2.7 |
| Swing Speed (rpm) | 10.6 |
| Grounding pressure(kPa) | 36.2-36.7 |
| Slope Climbing Ability(%) | 30 |
| Bucket Digging Force (kN) | 61.5 |
| Arm Digging Force (kN) | 41.7 |
| Arm Length (mm) | 3700 |
| Boom Length (mm) | 1820 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 6190*2300*2682 |
| Cabin Full Height (mm) | 2574 |
| Track Shoe Width (mm) | 450 |
| Overall Track Width (mm) | 2300 |
| Minimum Ground Clearance (mm) | 4.3 |
| Rear End Swing Radius (mm) | 1800 |
| Working Range | |
| Maximum Digging Depth (mm) | 4202 |
| Maximum Digging Height (mm) | 7374 |
| Maximum Dumping Height (mm) | 5339 |
| Maximum Vertical Digging Depth (mm) | 3375 |
| Fluid Capacities | |
| Fuel Tank (L) | 145 |
| Hydraulic Tank (L) | 53 |
| Engine Oil Replacement Volume (L) | 11.2 |
| Coolant Capacity (L) | 10.0 |