性能特点：
Main features
1、机械驱动，三档速度；液压振动，电控起振；液压转向，操作轻便
2、铰接车架，转向灵活；整机流线型设计，造型美观；后机罩可大角度翻起，维护方便
3、具有***的压实性能；双幅振动，适用于不同阶段的压实作业；具有大小振动延时转换功能，转换平稳
4、采用带同步器的压路机专用变速箱，操作轻便舒适
5、均可选装冷暖空调
1、Mechanical drive, three-speed gear shift. Hydraulic vibration， start-oscillation by electronic control, hydraulic steering and light operation
2、Articulated frame， flexible steering, nice appearance and streamlined design, The back casing can be turned up in a big angle for easily maintenance
3、This roller has super compaction performance. Double amplitude which applies to different stage compaction works. This system also has the function of delayed transition and stable transition of amplitude
4、Adopt the special gear-box with synchronizer, easy to operate and comfortable
5、An air-conditioner can be optional
适用范围：
Application
主要用于高等级公路、大坝、铁路、机场等大型工程；基础的压实，可碾压沙土、砾石、碎石、岩石填方等非粘性材料及半粘性材料
This roller mainly used in highway, dam, railway, airport and other large infrastructure projects etc.
This road roller is to compact non-cohesive or semi-cohesive materials such as base, sandy soil, gravel, macadam, rock filler etc. 技术参数： 型号 | JM820A | 工作质量 | 20000kg | 压实宽度 | 2130mm | 振动频率 | 30/35Hz | 理论振幅 | 1.9/0.9mm | 激振力 | 405/260kN | 发动机型号 | SC8D175 | 发动机功率 | 128kW | 整机外形尺寸 | 6350x2340x3050mm |
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