Main Technology Data of Hydraulic Excavator CED1250-7 No. Item Unit Date Face shovel Backhoe 1Machine weightt1251162Bucket capacityStandardm 36.55.0Rangem 36.0 8.03.5 7.03ElectromotorModelYJK4004-4Power /SpeedkW/rpm450/1485VoltageV60004Hydraulic systemTypeThree pumps and three loops, limit load variable systemMax. pressure of main oil circuitMPa32Max. flow of main oil circuitL/min2×522Swing typeIndependence open typeFlow of swing oil1×522Operating stylePilot controlHydraulic oil tank capacityL13005PerformanceSwing speedr/min5.8Travel speedkm/h2.4Max. pulling forceKN713Gradeability%70Ground pressureMPa0.127Circulating time of operations226Working dateBoom lengthmm54507800Stick lengthmm37003400Max. digging radiusmm1133213405Max. digging depthmm33307315Max. digging heightmm1187012529Max. unloading heightmm94008958Max. digging force of stickKN505416Max. breakout force of bucketKN470550