Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | ZX55USR-5A |
| Model Abbreviation | 55 |
| Excavator Weight (t) | 5.16 |
| Traveling Method | Crawler |
| Bucket Type | Backhoe |
| Operating Conditions | General purpose |
| Engine (Fuel) | |
| Engine Brand | Yanmar |
| Model | 4TNV88 |
| Type | 4Stroke、Water-cooled、Direct Injection |
| Rated Power (kW) | 28.1 |
| Rated Speed (r/min) | 2400 |
| Maximum Torque (N·m) | 139.6 |
| Total Displacement (L) | 2.189 |
| Number of Cylinders | 4 |
| Bore × Stroke (mm) | 88x90 |
| Performance Parameters | |
| Operating Weight (kg) | 5160 |
| Bucket Capacity (m³) | 0.19 |
| Travel Speed (High/Low) (km/h) | 4.0/2.3 |
| Swing Speed (rpm) | 9.0 |
| Grounding pressure(kPa) | 29 |
| Slope Climbing Ability(%) | 58 |
| Bucket Digging Force (kN) | 32.1-36.8 |
| Arm Digging Force (kN) | 20.1-24.0 |
| Arm Length (mm) | 2850 |
| Boom Length (mm) | 1380 |
| Machine Dimensions | |
| Length × Width × Height (Transportation Status) (mm) | 5470×2000×2510 |
| Cabin Full Height (mm) | 2510 |
| Clearance Over Counterweight (mm) | 2490 |
| Track Ground Length (mm) | 2000 |
| Total Track Length (mm) | 2490 |
| Track Shoe Width (mm) | 400 |
| Overall Track Width (mm) | 2000 |
| Track Gauge (mm) | 1600 |
| Minimum Ground Clearance (mm) | 320 |
| Minimum Turning Radius (Front Work Device) (mm) | 2210 |
| Rear End Swing Radius (mm) | 1100 |
| Working Range | |
| Maximum Digging Radius (mm) | 5960 |
| Maximum Digging Radius at Ground Level (mm) | 5820 |
| Maximum Digging Depth (mm) | 3550 |
| Maximum Digging Height (mm) | 5730 |
| Maximum Dumping Height (mm) | 4050 |
| Maximum Vertical Digging Depth (mm) | 2830 |
| Blade Width × Height (mm) | 2000×375 |
| Blade Lifting or Cutting Depth (mm) | 460/365 |
| Fluid Capacities | |
| Fuel Tank (L) | 70.0 |
| Hydraulic Tank (L) | 42.0 |
| Engine Oil Replacement Volume (L) | 8.6 |
| Coolant Capacity (L) | 4.7 |