Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | HD820R |
| Model Abbreviation | 820 |
| Excavator Weight (t) | 20 |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | General purpose |
| Engine (Fuel) | |
| Engine Brand | Mitsubishi |
| Model | Mitsubishi6D16-TLC1B |
| Type | Recirculating intercooler and turbocharged engine |
| Rated Power (kW) | 110 |
| Rated Speed (r/min) | 2,050 |
| Maximum Torque (N·m) | 580 |
| Total Displacement (L) | 580 |
| Number of Cylinders | 6 |
| Bore × Stroke (mm) | 104mm×115mm |
| Performance Parameters | |
| Operating Weight (kg) | 19800 |
| Bucket Capacity (m³) | 0.8 |
| Travel Speed (High/Low) (km/h) | 0～5.5High Gear/0～3.7Low gear |
| Swing Speed (rpm) | 10.0 |
| Grounding pressure(kPa) | 44 |
| Slope Climbing Ability(%) | 70 |
| Bucket Digging Force (kN) | 136（Standard mode）/144 （High Power） |
| Arm Digging Force (kN) | 99（Standard mode）/164 （High Power） |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 9500×2820×2970 |
| Cabin Full Height (mm) | 2860 |
| Track Ground Length (mm) | 3370 |
| Total Track Length (mm) | 4170 |
| Track Shoe Width (mm) | 600 |
| Track Gauge (mm) | 2220 |
| Minimum Ground Clearance (mm) | 465 |
| Minimum Turning Radius (Front Work Device) (mm) | 3460 |
| Rear End Swing Radius (mm) | 2750 |
| Working Range | |
| Maximum Digging Radius (mm) | 9910 |
| Maximum Digging Depth (mm) | 6700 |
| Maximum Digging Height (mm) | 9760 |
| Maximum Dumping Height (mm) | 6830 |
| Maximum Vertical Digging Depth (mm) | 6120 |
| Fluid Capacities | |
| Fuel Tank (L) | 320 |
| Hydraulic Tank (L) | 156 |
| Engine Oil Replacement Volume (L) | 22 |
| Coolant Capacity (L) | 23 |
| Hydraulic System | |
| Main Pump Type | Variable capacity piston pumps（Dual main pumps）and gear pumps（Pilot pumps） |
| Maximum Flow Rate of Main Pump (L/min) | 2×253 |
| Travel Hydraulic Circuit (Mpa) | 32.9 |
| Arm Cylinder - Quantity × Bore × Stroke (mm) | 2-125×1，315 |
| Boom Cylinder - Quantity × Bore × Stroke (mm) | 1-135×1，630 |
| Bucket Cylinder - Quantity × Bore × Stroke (mm) | 1-120×1，090 |