SDLG RS7220 ROAD ROLLER SDLG HYDRUALIC SINGLE DRUM ROAD ROLLER
RS7220 full hydraulic single-drum vibratory road roller is a new generation of roller newly developed by SDLG based VOLVO technology. This machine is of excellent performance and fashionable shape and is industrial leading in compacting, driving and operating performances and reliability, repair and maintenance performance and so on. It is ideal compacting equipment for road, airport, harbor, railway, dam and industrial site.
| Item | Parameter |
|---|---|
| Dimension | |
| LXWXH（A×B×C） | 6473×2460×3185mm |
| Vibration wheel width(D) | 2150mm |
| Vibration wheel diameter(E) | 1600mm |
| Tread(F) | 1555mm |
| Wheelbase(G) | 3441mm |
| Min.ground clearance(H) | 410mm |
| Min.turning radius(I) | 6600mm |
| Compacting width | 2150mm |
| Theoretical gradeability | 40% |
| Steering angle(J) | 35° |
| Performance of the machine | |
| Working weight | 22000kg |
| Front wheel weight distribution | 14600kg |
| Rear wheel weight distribution | 7400kg |
| Nominal vibration amplitude(h/l) | 2.0/1.0mm |
| Vibration frequency（l/h） | 28/33Hz |
| Vibratioin force（h/l） | 351/271kN |
| Static linear load | 665N/cm |
| Engine | |
| Model | Deutz BF6M2012C |
| Type | Inline,water cooling,4stroke,direction injection |
| Rated power/speed | 147kW/2300r/min |
| Displacement | 6.057L |
| Cylinder borexstroke | 101/126mm |
| Emission standard | EC Stage II & EPA Tier II |
| Min fuel-consume ratio | ≤235g/kWh |
| Max.torquew | 743Nm |
| Transmission | |
| Gear shift | forward 2/reverse 2 |
| F/RⅠspeed | 0～4.5km/h |
| F/R Ⅱspeed | 0～12km/h |
| Brake system | |
| Service brake | Stop at neutral hydraulic position |
| Parking brake | Put P down,brake at electric cut-off |
| Steering system | |
| Type | Full hydraulic steering system |
| System pressure | 16MPa |
| Swing angle | 12° |
| Vibration system | |
| Type | Closed-loop |
| Pressure | 35MPa |
| Volume of the oil | |
| Fuel oil | 270L |
| Hydraulic oil | 146L |
| Engine | 20L |
| Vibration wheel | 27L |
| Axle | 20L |
