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LTM 1055-3.2Mobile craneMax. lifting capacity: 55 tMax. lifting height: 56 mMax. working radius: 48 m
LTM 1055-3.22
Mobile Crane LTM 1055-3.2Flexibel and economical
LTM 1055-3.2 3
A long telescopic boom, high capacities, an extraordinary mobility as well as a comprehensive comfort and safety configuration distinguish the mobile crane LTM 1055-3.2 from Liebherr. The 55-ton crane offers state of the art technology for more convenience for the practical operation.
•40mtelescopicboom
•16mdoubleswing-awayjib
•36ttotalweightincl.7tcounterweightat12taxleload
•Greatoperationalflexibilityduetotopcapacitieswithfullandpartialcounterweights
•Chassiswidth2,54mwithtyres445/95R25(16.00R25)
•Active,speeddependingrearaxlesteering
•Airoperateddiskbrakes
•Sensitiveworkingduetotheelectroniccranecontrol
LTM 1055-3.24
Drivetrain
•6-cylinderLiebherrturbodieselengine270kW/367HPat2000rpm,max.torque 1700 Nm at 1000 - 1500 rpm
•AutomatedZF-gearboxAS-TRONIC,12 forward-, 2 reverse speeds
•2-stagetransfergearbox,crawlspeed0,73 km/h
•Axles2and3driven,optionalaxle1
10955
9358
21°21°
350011360
3750
2540
4500
6300
R = 3500
7359
7341
R = 7580
R = 8090
S2365
R1= 8590
12 t 12 t 12 t(16.00 R 25)445/95 R 25
R = 4005
LTM 1055-3.2 5
Most modern chassis and drive technology
Hydropneumaticaxlesuspension„Niveaumatik“
•Maintenancefreesuspensioncylinders
•Heavylayoutforaxleloadsup to 40 t
•Springtravel+100/-100mm
•Highsidestabilityatcornering
•Choiceofthedrivingconditionsbyfi x programs
Airoperateddiskbrakes
•Higherbrakingpower,betterbrakecontrol
•Improvedtrackstability
•Nobrakefadingathigheroperationtemperatures
•Higherservicelife
•Shorterworkingtimeforchangingofthebrake pads
•Brakepadswithwearindicators
High mobility and effi ciency
Ahighperformance6-cylinderLiebherrturbodieselenginewith270kW/367HPprovides for dynamic driving performance. The 12-speed ZF-gearbox withautomatic gear change system AS-TRONIC grants high efficiency and bestcomfort.
•Reducedfuelconsumptionduetohighnumberofgearsandhighdegreeofeffi ciency of the dry clutch
•Bestmanoeuvrabilityandminimumcrawlspeedbymeansofthe2-stagetransfer gearbox
•ABV-automaticblockingpreventerwithASRanti-slipcontrol
Compact, mobile and weight optimized
Due to its extreme compact design the LTM 1055-3.2 can also manoeuvre on the tightest job sites.
•Chassislengthonly9,36m
•Minimumturningradiusonly7,58m
•Chassiswidthonly2,54m,evenwithtyres445/95R25(16.00R25)
•Tailswingonly3,50m
LTM 1055-3.26
5Steeringprograms
•Programselectionbysimplepushbutton
•Cleararrangementofthecontrolele-ments and displays
•Programschangeableduringdriving
•Crabsteeringcontrolledcomfortablyby the steering wheel
LTM 1055-3.2 7
Variable steering concept
Active rear axle steering
The rear axles are electro-hydraulically actively steered depending on the speed and the steering angle of the front axles. 5steeringprograms(P)arepreselectablebypushbutton.
•Distinctreductionofthetyrewear
•Improvementofthemanoeuvrability
•Stabledrivingperformancealsoathighspeeds
•All3axlessteerable
High safety standards – complete know-how from Liebherr
•Centeringcylindersforautomaticstraighteningoftherearaxlesincaseoffailure
•Twoindependenthydrauliccircuitswithwheeldrivenandenginedrivenhy-draulic pumps
•Twoindependentcontrolcomputers
P1Roadsteering
The axle 1 is mechanically steered by the steering wheel. The axle 3 is actively steered depending on the speed and on the steering angle of the front axle. Above 30 km/h it will be adjusted to straight driving and fi xed
P2All-wheelsteering
The axles 2 and 3 are turned by the steering wheel depending on the steering angle of the front axle to provide for the smallest turning radius
P3Crabsteering
The axles 2 and 3 are turned by the steering wheel to the same direction as the steering position of axle 1
P4Reducedswingout
The axles 2 and 3 are turned depending on the wheel turn of the 1. axle to minimize the back swing of the rear of the chassis
P5Independentrearaxlesteering
The axle 1 is steered by the steering wheel, the axles 2 and 3 are steered by push buttons inde-pendently from the steering angle of the axle 1
Centeringcylindersattherearaxles
•Automaticstraightpositioningoftherear axles in case of failure
LTM 1055-3.28
Thedriver’scab
•Corrosionresistantsteelplateexecu-tion, cataphoretic dip primed
•Allaroundsafetyglazing
•Tintedwindows
•Heatableandelectricallyadjustablemirrors
•Aircushioneddriver’sseatwithlumbarsupport
700
LTM 1055-3.2 9
Thecranecab
•Corrosionresistant,galvanizedsteelplateexecution, powder-coated
•Allaroundsafetyglazing
•Tintedwindows,frontscreencanbeopened
•Skylightwithbulletproofglass
•Cranedriver’sseatwithlumbarsupport
•Sidewiseextendablerunningboard
•20°tiltabletotherear
Cranesupporting–fast,comfort-ableandsafe
•BTT-BluetoothTerminal,mobilecontrol and display device
•Electroniclevellingdisplay
•Fullyautomaticlevellingbypushbutton
•Engine-start/stopandspeedregulation
•Lightingofsupportareawith4inte-grated fl oodlights
•Strokeofsupportingcylindersfront650mm,rear700mm
•Outriggers1-stage,fullyhydraulic, low maintenance extending system
Modern driving cab and crane cab
The modern driving cab as well as the backwards tiltable crane cab offer a com-fortable and functional working environment. The control elements and displays are arranged according to ergonometric factors. Thus a safe and fatigue-proof working is assured.
Fast and safe erection
The supporting, the counterweight assembly as well as the mounting of the ad-ditionalequipmentaredesignedforspeed,safetyandcomfort.Forthesafetyofthe operating staff pedestals, hand holds and railings are provided.
Comfort and functionality
LTM 1055-3.210
Thefullyautomatictelescopingsystem„TELEMATIK“
•Improvementofcapacitiesatlongbooms and large radii due to light-weight telescoping system
•1-stagehydrauliccylinderwithhy-draulically operated drive pin
•Maintenancefreetelescoping
•Telescopingfullyautomatic
•Simpleoperation,supervisionoftelescopingattheLICCONmonitor
Roostersheave,foldablesidewise
LTM 1055-3.2 11
Powerful, long telescopic boom and functional lattice extensions
The telescopic boom consists of the base section and 4 telescopic sections, which can be comfortably and automatically extended and pinned to the re-quested length by the thousand fold proven single cylinder telescoping system TELEMATIK.
•40mlongtelescopicboom
•9.5m–16mlongdoubleswing-awayjib,attachableat0°,20°and40°
•Roostersheave,foldablesidewise
•2.5mlongassemblyjib.
High capacities with full counterweight as well as with partial counterweight offer a wide application of operations
•Highlateralstabilityduetotheovalboomprofile
•Optimizedcapacitiesduetothenumerousextensionvariations
•Capacity10.1tat40mlongtelescopicboom
High capacities at the unpinned telescopic boom
•Hightelescopablecapacitiesduetointerpolation
•Separatechartsforholdingofloadsatunpinnedtelescopiclengths
•DisplayatLICCONmonitor
High lifting capacities and fl exible boom system
2,5mlongassemblyjibHoldingcapacity
Unpinnedboomlength
Telescopablecapacities
12 t 12 t 12 t
LTM 1055-3.212
Mounting of counterweight – only a matter of minutes
•Multitudeofcounterweightvariationsfrom4.7tto12t
•Fastballastingwithkeyhole-technologyfromthecranecabin
•Compactcounterweightdimensions,at12tcounterweightonly2.54 m counterweight width
•Tailswingonly3.5m
•36ttotalweightincluding7tcounterweightat12taxleload
Variable counterweight
Thehoistgear
•Hoistwinchwithinternalplanetarygearand spring loaded multi disk brake
•Ropepull45kNattheouterlayer
•Max.ropespeed120m/min
•2.hoistgearoptional
12 t 12 t 12 t
LTM 1055-3.2 13
With proven components
The drive components for the crane operation are designed for high performance and provide for sensitive and precise handling of the load. They are specially tuned for the crane operation and proved in severe long-term tests.
•Cranedrivefromdieselengineinchassis
•Optimizedfuelconsumptionbyelectronicenginemanagement
•Diesel-hydrauliccranedrive,openhydrauliccircuitswithelectric„LOADSENSING“-control,4workingmotionssimultaneouslypossible
•Electric/electronicSPS-cranecontrolviatheLICCON-computersystem
•Comfortablearmrestcontrolswith2self-centering4-foldmultifunctionaljoy-sticks, stepless control of all crane motions, with winch and slewing gear indica-tors, electronic precontrol
•Slewinggearstandardreversiblefromopentohydraulicallylocked,sotheslew-ing motion can be optimal adapted for the different operation conditions, e. g. sensitive for installation work or fast for cycle work
Powerful crane drive
Theslewinggear
•Planetarygearbox,springloadedmultidiskbrake
•Reversibleopenorhydraulicallylockedasstandard
•Slewingspeedfrom0to1.6min-1 infi nitively variable
Thecentralgreasing
•Standardcentralgreasingdeviceforslewing bearing, boom bearing, luffi ng cylinder and winch bearing
•Evensupplyofgrease
•Fillingquantityvisibleatanytimeintransparent reservoir
4,1 t
0,6t
0,8t
1,5 t
2,6t
LICCON-monitor
Controlsensorwithtouchdisplays
Controlunit
Telescoping cylinder
Luffi ng cylinder
Controlblock
Hoistgear
Slewinggear
Hydraulicswivel
Geartypepump
Variabledisplacement pump
Liebherr diesel engine
Sensors
2,4 t
Basiccounterweight 7.0tAdditionalcounterweight 5.0tTotal 12.0t
LTM 1055-3.214
TheLICCONtestsystem
•Fastlocatingoffailuresatthecom-puter screen without measuring equipment
•Displayoffailurecodesandfailuredescriptions
•Comfortabledialogfunctionsforsuper-vision of all in and out terminals
•Displayoffunctionsandallocationofsensors and actors
LTM 1055-3.2 15
TheLICCONworkingrangelimitingsystem(optional)
•Reliefforthecranedriverbyautomaticsu-pervision of the working range boundaries like bridges, roofs etc.
•Simpleprogramming
•Fourdifferentlimitingfunctions: −Boomheadheightlimiting −Radiuslimiting −Slewinganglelimiting −Borderlimiting
TheLICCONworkingplanner(optional)
•Computerprogramforplanning,simula-tion and documentation of crane opera-tions at the computer
•Displayofallloadchartsbelongingtoaspecifi c crane
•Automaticsearchofasuitablecranebyinput of the load case parameters load, radius and hoisting height
•Simulationofcraneoperationswithdrawing functions and display of support forces
For functional and safe crane operation, the LICCON-computer system
The soft- and hardware of the mobile crane control is developed by Liebherr in house.ThecentralpointistheLICCON-computersystem(LiebherrComputedControlling).Thesystemundertakesextensive information,controlandsuper-vision tasks. The control components have proved themselves in the diverse climate conditions worldwide.
LICCON erection and operation program
•Operationprograms: -Overloadlimiter(LMB) -Erectionprogramwitherectiondisplay -Operationprogramwithoperationdisplay - Telescoping program with telescoping display•Settingupoftheerectionstatusbycomfortabledialogfunctions
•Displayofallimportantdatawithgraphicsymbols
•Reliablecut-offatexceedingofthepermissibleloadmoments
•Winchdisplayforexacthoisting/loweringoftheloadwithincentimetres
The data bus technology
Liebherr mobile cranes are completely linked through the data bus system. All important electric and electronic components are equipped with own microproc-essorsandcommunicateoveronlyafewdatacables.Forthespecialrequire-mentsofthemobilecranesLiebherrhasdevelopeditsownbussystems(LSB-Liebherr-System-Bus).Thedatabussystemtechnologyimprovesthereliability,thecomfortandthesafetyofthedriveandcraneoperation:
•Higherreliabilityduetomuchlesselectriccablesandcontacts
•Continuousselftestingofthe„intelligentsensors“
•Extensivediagnosispossibilities,fastfaultfinding
Intelligent crane control
Liebherr-Werk Ehingen GmbHPostfach 1361, 89582 Ehingen, Germany +49 7391 502-0, Fax +49 7391 502-33 99www.liebherr.com, E-Mail: [email protected]
PN204.00.E07.2009 Thepicturescontainalsoaccessoriesandspecialequipmentwhicharenotincludedinthestandardscopeofdelivery.Subjecttomodification.
The new control generation - LICCON2
Colourmonitor
The readability of the data on themonitoroftheLICCON2control system in the crane cab is enhanced by the colour display. Warnings and crane utilization are considerably better recognized.
Supporting the crane
By use of the BTT the mobile cranecan be comfortably and safely sup-portedontheoutriggers.Enginestart/stop, speed regulation, electronic level display and automatic support level-lingareavailableasstandard.Option-ally also the supporting forces can be displayedontheBTT.
The new generation of the Liebherr crane control offers extended customer benefi ts and higher operational com-fort by additional possibilities of use. The base for this is the modern and future oriented control architecture with components, which are optimized regarding the comput-ing power as well as their capacities.
Touchdisplays
Belowthejoysticksintegrat-ed in the armrests the touch displays are installed, with which the various operational functions can be selected. This are beside others the drive and steering programs of the chassis, the axle sus-pension, the supporting of the crane, the adjustment of the working fl oodlights as well as heater and air condition controls.
Attaching and detach-ing of the hook block
TheBTT–Bluetooth terminal–offersthe crane driver the possibility to at-tach the hook block to or detach it from the front bumper within sight by remote control of the hoist winch and the luff-ing cylinder of the telescopic boom.
Wirelessremotecontrol(optional)