Mobile crane XCR90

for constructionrough terraindiesel engine

（1）Large displacement dual-variable plunger pump with confluent main valve adopting XCMG patented technology integrated, leads to improvement by 13% in operation efficiency, which takes the lead in the industry. （2）Boom length and lifting capacity take the lead in the industry. （3）Large power engine + low speed large torque transmission system with hydraulic torque converter; acceleration performance is improved by 10%, the max. travel speed is 34.8 km/h and the max. grade ability is 65%; the min. turning radius is only 6.5 m, the smallest in the industry, contributing to excellent maneuver ability and quick job site transfer. （4）Torque converter with lockup function, low speed large torque, high speed and high efficiency, and driving fuel consumption is reduced by 20%. （5）Fault self-diagnosis system is adopted; there are 285 control nodes; automatic inspection and automatic diagnosis can be shown in real-time on the display. The fault diagnosis rate can reach 76% （6）All-wheel drive system, unimpeded travel on different road conditions. （7）5-section boom of 48 m is the longest in the industry, the length of boom and jib can reach 65.5 m after jib is installed. （8）Two jib sections of 10.5m-17.5m , with 0°, 15° and 30° jib offset angles. （9）Max. single line pull is 78 KN. （10）Max. hoisting speed (single line, no load, 4th layer) is 145 m/min. （11）Slewing speed 0-2 r/min. （12）194kW large power engine+hydraulic transmission system with low speed and large torque. The max. output torque is 1100N.m, the acceleration performance is improved by 10%, with high speed and high efficiency; 6 forward gears and 3 reverse gears are available with quick transfer.