Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | 6620E-Dual Drive |
| Product Type (0) | Single Drum Road Roller |
| Model Abbreviation | 6620 |
| Drive Type | Hydraulic |
| Weight Range | 20-25Ton |
| Engine | |
| Model | Shangchai（National III） |
| Rated Power (kW) | 140 |
| Weight Parameters | |
| Operating Weight (kg) | 20000 |
| Vibrating Wheel Allocation Mass (kg) | 12800 |
| Drive Axle Allocation Mass (kg) | 7200 |
| Static Linear Load of Vibrating Wheel (kg/cm) | 589 |
| Compaction Mechanism | |
| Frequency of Vibration (Hz) | 28/33 |
| Rated Amplitude (mm) | 2.0/1.2 |
| Excitation Force (kN) | 400/280 |
| Diameter of Vibrating Wheel (mm) | 1600 |
| Width of Vibrating Wheel (mm) | 2130 |
| Working Parameters | |
| Travel Speed (Travel/Work) (km/h) | 0~10.5 |
| Theoretical Gradeability (Vibrating/Non-vibrating) (%) | 45 |
| Minimum Turning Radius (mm) | 6500 |
| Steering Angle(°) | ±35 |
| Tire specification | 23.1-26-12PR |
| Machine Dimensions | |
| Length × Width × Height (mm) | 6450x2340x3050 |
| Wheelbase (mm) | 3250 |
| Minimum Ground Clearance (mm) | 440 |
| Fluid Capacities | |
| Fuel Tank Capacity (L) | 373 |
| Hydraulic Oil Tank Capacity (L) | 90 |