TruckCraneQY20BTruckCraneusesself-madetruckcranespecialchassis,withpowerfulengineandfully-covereddeckingplate.Mainandauxiliarywinchesrealizelowspeedwithhe***yloadandhighspeedwithlightload,highworkingefficiency.4-sectiontelescopicboomofall-roundboomprofile,1-sectionside-mountedjib,singlecylinderforfrontsupportelevating,fullyhydraulicdrive,anddoubleH-shapedoutriggers.Well-equippedsafetydevicessuchasautomaticloadmomentlimiter(AML),overloadandover-windcut-outdevice,etc.,greatlyimprovedsafetyinoperation.TwocabsergonomicallydesignedconformtoISOstandard,fan,heaterandairconditionerequippedacc.torequirement.Driver’scabisleftsemi-mounted,fittedwithdampingandadjustableseat.Operator’scabisrightsemi-mounted,equippedwithLCDmonitorfordisplayofcranevariousmoti***.TechnicalDataforLiftingOperationClassificatoryItemUnitParameterEngineModel6C250-2OutlinedimensionOveralllengthmm12000Overallwidthmm2500Overallheightmm3300WheelbaseAxle1mm5000Axle2,Axle3mm1350TrackFrontwheel(Axle1)mm2090Rearwheel(Axle2,Axle3)mm1865MassTotalmassintr***elstatekg24850AxleloadAxle1kg6998Axle2,Axle3kg17980Tr***elperformanceTr***elspeedMax.tr***elspeedkm/h72Min.stabletr***elspeedkm/h4TurningdiameterMin.turningdiameterm20Min.turningdiameteratboomtipm24Min.groundclearancemm270Approachangle(°)21Departureangle(°)11Brakingdistance(at30km/hwithfullload)m9.5Max.grade-ability％35ExteriornoiseataccelerationdB（A）88Fuelc***umptionfor100kmL35PowerEngineratedoutputkW/(r/min)184/2200EngineratedtorqueN.m/(r/min)958/1400EngineRatedspeedr/min2200MainTechnicalDataforLiftingOperationClassificatoryItemUnitParameterLiftingperformanceMax.totalratedliftingcapacityt20Min.ratedworkingradiusm3Turningradiusatturntabletailm3.38Max.loadmomentBaseboomkN.m833FullyextendedboomkN.m458.6OutriggerspanLongitudinalm4.97Lateralm5.4LiftingheightBaseboomm10.2Fullyextendedboomm31.7Fullyextendedboom+Jibm39.9BoomlengthBaseboomm10.1Fullyextendedboomm31.2Fullyextendedboom+Jibm31.2+8.15WorkingspeedBoomraisingtimes75Boomfullextensiontimes95Max.swingspeedr/min3Hoistspeed(singlelineat3rdlayer)MainwinchFullloadm/min40Noloadm/min90Aux.winchFullloadm/min30Noloadm/min60NoiselimitCraneexteriornoisedB(A)≤118AtseatedpositiondB(A)≤90)