采用日本五十铃国四6HK1发动机，无需消耗尿素，结构简单，便利性好。
PIC前馈智能控制技术，提升发动机对负载的响应能力，降低挖掘阻力，提升挖掘满斗率。
四轮一带升级，配置强化型履带链轨、加高链轨高度、加大螺栓规格，提升碎石地面工作可靠性；
关键结构件采用基于极限工况下载荷谱的优化设计，整机均通过振动跑道、6000h的路试考核，可靠性全面实现验证和提升。
散热器采用纯并联结构，散热能力增加10%，匹配大直径风扇，散热器效果更高，无惧高温“烤”验，水、油温散热性能提高5%以上。
高强度异型钢一体冲压成型驾驶室、全新一键启动开关，无需钥匙，省心省力；集成式多功能面板，功能强大，操作便捷；空调、收音机等快捷按键，享受即刻打开
标配高清后摄像头，视场角128o、实时监控后方状况,高亮度LED灯，光电转换效率提升5倍以上，夜间更通亮，照射范围更广。
Type Exception Report
Message An exception occurred processing [/guosi/include/pro_detail_comment.jsp] at line [52]
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.apache.jasper.JasperException: An exception occurred processing [/guosi/include/pro_detail_comment.jsp] at line [52]
49: String url = "http://koubei.21-sun.com/detail/"+id+".htm";
50: String add_date = CommonString.getFormatPara(CommonDate.getFormatDate("yyyy-MM-dd",m.getFieldValue("add_date")));
51: int randomInt = random.nextInt(10000)%citys.length;
52: String rProvince=citys[randomInt-1];
53: if(rProvince.equals("")||rProvince==null){
54: rProvince="山东";
55: }
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
com.jerehnet.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)
Root Cause
java.lang.ArrayIndexOutOfBoundsException: -1 org.apache.jsp.guosi.include.pro_005fdetail_005fcomment_jsp._jspService(pro_005fdetail_005fcomment_jsp.java:202) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:764) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327) javax.servlet.http.HttpServlet.service(HttpServlet.java:764) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) com.jerehnet.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)
Note The full stack trace of the root cause is available in the server logs.