Wheel Loaders
Product Information
PI_L550T-L576T.INDD 1
L 550 T - L 576 T
2plus2
2plus2
Wheel loaders for
cost-effective tunnelling operations
15.02.11 16:45
16:48
Wheel loaders for cost-effective
tunnelling operations
Liebherr tunnel wheel loaders are specially designed for
use in tunnel applications. The advantages of the wheel
loader´s hydrostatic drive are proven in difficult tunneling
applications. The advantages are: reduced fuel consumption through improved utilization of the installed engine´s
output, minimal brake wear through the hydrostatic brak-
2
ing effect of the drive and reduced tyre wear thanks to
stepless adjustment of the tractive force in line with what
is required. Also, the Liebherr particle filter reduces particulate emissions by 99 %.
L 550 T 2plus2 - L 576 T 2plus2
PI_L550T-L576T.INDD 2
15.02.11 16:45
16:48
Economy
Reliability
Compared to transmission travel gears, the Liebherr
driveline achieves a reduction in fuel consumption for
wheel loaders of 25 % or more! 5 litres less fuel per operating hour significantly reduce operating costs and environmental pollution.
All the materials used in Liebherr wheel loaders have
passed long-term tests to ensure that they match up to
Liebherr’s exacting standards even in the toughest conditions. The mature concept and proven quality make
Liebherr wheel loaders to the benchmark for reliability.
Performance
Comfort
The Liebherr driveline allows the Liebherr diesel engine
to be mounted lengthways in the rear, with the output
shaft facing backwards. Compared to conventionally
driven wheel loaders, the operating weight is much
lower, the tipping load is higher, and more material can
be moved each operating hour.
The ultra-modern cab design with advanced ergonomics, continuously variable Liebherr driveline with
2plus2 gearbox for uninterrupted tractive force, standard Liebherr ride control, optimum weight distribution
and easy service access thanks to unique engine installation position lead to extraordinary overall comfort.
L 550 T 2plus2 - L 576 T 2plus2
PI_L550T-L576T.INDD 3
3
15.02.11 16:45
16:48
Tunnel version
Tunnel cab
• Cab version designed especially for tunnel applications
• Laminated safety glass
• Four working lights rear
• Hinged, detachable outside mirror
Tilt cylinder protection
Rear bumper
Basic version
Liebherr Diesel particle filter
4
• Tunnel cab with laminated safety glass
• Liebherr operator’s seat, adjustable in six ways
• Acoustical reversing warner
• Fire extinguisher (6 kg) in protective box
• Protective grid for head lights
• Lifting arms
L 550 - L 556: 2,600 mm / L 566 - L 576: 2,920 mm
• Tilt cylinder protection
• Liebherr Diesel particle filter
• Air pre-cleaner Top-Air
• Rear bumper
• HD bucket with Bofors teeth:
L 550: 2,700 mm / 2.8 m³, L 556: 2,700 mm / 3.2 m³
L 566: 3,000 mm / 3.5 m³, L 576: 3,000 mm / 4.0 m³
• Tyres: Bridgestone VSDT L5
Goodyear RT-5C L5
Michelin XLD D2A L5
L 550 T 2plus2 - L 576 T 2plus2
PI_L550T-L576T.INDD 4
15.02.11 16:45
16:48
2-Lane Motorway Tunnel
N
I
H
O
L
M
Cab-roofwidth
L550–L576:1,280mm
Widthovertyres
L550–L556:2,660mm
L566–L576:2,930mm
Bucketwidth
L550–L556:2,700mm
L566–L576:3,000mm
N
I
H
O
P
M
L 550 T 2plus2
L 556 T 2plus2
L 566 T 2plus2
L 576 T 2plus2
3,380
3,010
8,060
12,300
9,450
2,100
2,700
3,410
3,040
8,120
12,300
9,450
2,100
2,700
3,550
3,130
8,750
12,300
9,450
2,100
3,000
3,620
3,200
8,830
12,300
9,450
2,100
3,000
H
I L M
N
O
P PI_L566-576T_T_enGB_02.indd 5
L550T2plus2–L576T2plus25
15.02.11 11:38
Technical Data
Engine
L 550 T L 556 T
2plus2
2plus2
L 566 T L 576 T
2plus2
Attachment Hydraulics
2plus2
Liebherrdieselengine ������������� D934SA6
D934LA6
D936LA6 D936LA6
Design ������������������������� Liebherrdieselengine,water-cooled,exhaustturbo
chargedwithintercooler
Cylinderinline����������������� 4
4
6
6
��������
Combustionprocess
Unitpump(PLD)microprocessorcontrolled
Ratedoutputaccording
toISO9249 ��������������� kW129
140
190
200
atRPM 2,000
2,000
2,000
2,000
Max.torque ���������������Nm828
900
1,230
1,320
atRPM1,500
1,300
1,300
1,300
Displacement ����������� litres6.36
7.01
10.52
10.52
Bore/Stroke �������������� mm122/136
122/150
122/150 122/150
Aircleaner �������������������������� Drytypewithmainandsafetyelement,pre-cleaner,
serviceindicatoronLCDdisplay
Electricalsystem
Operatingvoltage ���������� V24
24
24
24
Capacity��������������������Ah143
143
170
170
Alternator������������������V/A28/80
28/80
28/80
28/80
����������
Startermotor
V/kW24/6.6
24/6.6
24/6,6
24/6.6
Design
withoutputandflowcontrol,andpressurecut-offin
thecontrolblock
Cooling������������������������������ Hydraulicoilcoolingusingthermostaticallycontrolled
fanandoilcooler
Filtering ����������������������������� Returnlinefilterinthehydraulicreservoir
Control ������������������������������ “Liebherr-Joystick”withhydraulicservocontrol
Liftcircuit ��������������������������� Lifting,neutral,lowering
andfloatpositionscontrolledbyLiebherrjoystick
withdetent
Tiltcircuit ��������������������������� Tiltback,neutral,dump
automaticbucketpositioning
L550
L556
L566
L576
2plus2
2plus2
2plus2
2plus2
Max.flow �������������������� l/min.234
234
290
290
Max.pressure ������������������ bar290
330
350
350
Attachment
TheexhaustemissionsarebelowthelimitsinstageIIIA/Tier3.
Travel Drive
Steplesshydrostatictraveldrive
Design“2plus2” �������������� Swashplatetypevariableflowpumpandtwovariableaxialpistonmotorsinclosedloopcircuitwithone
axletransfercase.Directionoftravelinreversedby
changingtheflow-directionofthevariable-displacementpump
Filteringsystem �������������� Suctionreturnlinefilterforclosedcircuit
Control ������������������������ Bytravelandinchingpedal.Theinchingpedalmakes
itpossibletocontrolthetractiveandthrustforces
steplesslyatfullenginespeed.TheLiebherrjoystick
isusedtocontrolforwardandreversetravel
Travelspeedrange ���������������� Speedrange1 ���������������������������� 0–10.0km/h
Speedrange2andA2 ������������������� 0–20.0km/h
SpeedrangeA3 �������������������������� 0–40.0km/h
Thequotedspeedsapplywiththetyresthatare
standardequipmentontheloader
Axles
Four-wheeldrive
Frontaxle
Fixed
Rearaxle
Centrepivot,with13°oscillatingangletoeachside
L550
L556
L566
L576
Heightofobstacleswhich 2plus2
2plus2
2plus2
2plus2
canbedrivenover ������ mm500
500
520
520
Withallfourwheelsremainingincontactwiththe
ground
Differentials ������������������������� Automaticlimited-slipdifferentials
Reductiongear ��������������������� Planetaryfinaldriveinwheelhubs
Trackwidth ������������������������� 2,000mmwithalltypesoftyres
(L5502plus2,L5562plus2)
2,230mmwithalltypesoftyres
(L5662plus2,L5762plus2)
Brakes
Wear-freeservicebrake ����������� Self-lockingofthehydrostatictraveldrive(actingon
allfourwheels)andadditionalpump-accumulator
brakesystemwithwetmulti-discbrakes(twoseparatebrakecircuits)
Parkingbrake ���������������������� Electro-hydraulicallyactuatedspring-loadedbrake
systemonthetransmission
ThebrakingsystemmeetstherequirementsoftheECguidelines71/320.
Steering
Design
������������������������������ “Load-sensing”swashplatetypevariableflowpump
withpressurecut-offandflowcontrol.Centralpivot
withtwodouble-acting,dampedsteeringcylinders
Angleofarticulation ��������������� 40°(toeachside)
Emergencysteering ��������������� Electro-hydraulicemergencysteeringsystem
������������������������������ “Load-sensing”swashplatetypevariableflowpump
Geometry ��������������������������� PowerfulZ-patternlinkagewithtiltcylinderandcast
steelcross-tube
Bearings ���������������������������� Sealed
Cycletimeatnominalload �������� L550
L556
L566
L576
2plus2
2plus2
2plus2
2plus2
Lifting �������������������������� 5.5s
5.5s
5.5s
5.5s
Dumping ���������������������� 2.3s
2.3s
2.0s
2.0s
Lowering(empty) ������������� 2.7s
2.7s
3.5s
3.5s
Operator’s Cab
Design
������������������������������ Onelasticbearingonrearsection,soundproof
ROPS/FOPScab.Operator’sdoorwithoptional
slidingwindow,180°openingangle,fold-outwindow
onrightsitewithopeningangle,frontwindshieldwith
safetyglass(large-arealaminatedglazing),green
tintedasstandard,sidewindowsmadeofsinglepanesafetyglass,greytinted,continuouslyadjustablesteeringcolumnandjoystickcontrolasstandard,
heatablerearwindow
ROPSrolloverprotectionperDIN/ISO3471/
EN474-3
FOPSfallingobjectsprotectionperDIN/ISO3449/
EN474-1
LiebherrOperator’sseat ���������� 6wayadjustableseatwithlapbelt,vibrationdamping
andsuspensionadjustablefortheoperator’sweight
Cabheatingandventilation ������� Operator’scabwith4-levelaircontrol,coolingwater
heating,defrosterandairconditioningwithelectronic
valvecontrol,aswellaselectronicfresh/recirculated
aircontrol,filtersystemwithpre-filter,freshairfilter
andrecirculatedairfilter,easilyreplaced,airconditioningasstandard
Noise Emission
L550
ISO6396
2plus2
���������������
LpA(insidecab)
69dB(A)
2000/14/EC
LWA(surroundnoise) ��������� 104dB(A)
L556
2plus2
69dB(A)
L566
2plus2
69dB(A)
L576
2plus2
69dB(A)
104dB(A)
105dB(A)
105dB(A)
L556
2plus2
255
L566
2plus2
350
L576
2plus2
350
31
2,5
11,5
45
38
30
135
240
780
43
2,5
11,5
52
51
51
135
260
780
43
2,5
11,5
52
51
51
135
260
780
Capacities
L550
2plus2
Fueltank �������������������������� l255
Engineoil
(includingfilterchange) ���� l31
Pumpdistributorgears ���������� l2,5
Transmission“2plus2” ���������� l11,5
Coolant ��������������������������� l45
Frontaxle ������������������������� l30
Rearaxle �������������������������� l30
Hydraulictank ������������������� l135
Hydraulicsystem,total ���������� l240
AirconditionsystemR134a���� g780
6L550T2plus2–L576T2plus2
PI_L566-576T_T_enGB_02.indd 6
15.02.11 11:38
Dimensions
E
F
D
C
B
A
I
H
J
K
G
L
Loading Bucket
A
B
C
D
E
F
G
H
I
J
K
L
Cuttingtools
BucketcapacityaccordingtoISO7546**
Bucketwidth
Specificmaterialweight
Dumpingheightatmax.liftheightand45°discharge
Dump-overheight
Max.heightofbucketbottom
Max.heightofbucketpivotpoint
Max.operatingheight
Reachatmax.liftheightand45°discharge
Diggingdepth
Heightabovecab
Heightaboveexhaust
Groundclearance
Wheelbase
Overalllength
Turningcircleradiusoveroutsidebucketedge
Liftingforce(SAE)
Breakoutforce(SAE)
Tippingload,straight*
Tippingload,articulatedat37°*
Tippingload,articulatedat40°*
Operatingweight*
Tyresizes
L 550 T
m3 mm t/m3 mm mm mm mm mm mm mm mm mm mm mm mm mm kN kN kg kg kg kg 2plus2
Z
Z
2.8
3.2
2,700
2,700
2.0
1.8
2,950
2,890
3,500
3,500
3,650
3,650
3,925
3,925
5,380
5,405
1,030
1,095
75
75
3,380
3,380
3,010
3,010
530
530
3,280
3,280
8,130
8,220
6,370
6,420
185
185
130
120
13,170 13,065
11,835 11,740
11,620 11,530
16,245 16,345
20.5R25L5
L 556 T
2plus2
Z
Z
3.2
3.6
2,700
2,700
2.0
1.8
2,915
2,885
3,500
3,500
3,680
3,680
3,950
3,950
5,430
5,495
1,095
1,160
60
60
3,410
3,410
3,040
3,040
530
530
3,280
3,280
8,220
8,240
6,420
6,440
185
185
130
120
15,410 15,240
13,850 13,690
13,590 13,450
17,810 17,880
23.5R25L5
L 566 T
2plus2
Z
Z
3.5
4.0
3,000
3,000
2.0
1.8
3,300
3,220
3,900
3,900
4,020
4,020
4,340
4,340
5,745
5,855
1,150
1,240
130
135
3,550
3,550
3,130
3,130
535
535
3,580
3,580
8,880
9,020
7,050
7,100
264
264
200
190
18,350
18,110
16,440
16,230
16,130
15,920
22,630
22,810
23.5R25L5
L 576 T
2plus2
Z
Z
4.0
4.5
3,000
3,000
2.0
1.8
3,280
3,225
3,900
3,900
4,080
4,080
4,400
4,400
5,910
6,000
1,150
1,210
60
60
3,620
3,620
3,200
3,200
565
565
3,580
3,580
9,020
9,100
7,100
7,110
264
264
200
190
19,870
19,260
17,800
17,260
17,470
16,930
24,980
25,130
26.5R25L5
* T
hefiguresshownherearevalidwithtyresabove,includesalllubricants,afullfueltank,theROPS/FOPScabandtheoperator.Differenttyres
andoptionalequipmentwillchangetheoperatingweightandtippingload.
**Actualbucketcapacitymaybeapprox.10%largerthanthecalculationaccordingtoISO7546standard.Thedegreetowhichthebucketcan
befilleddependsonthematerial.
=HD-bucketwithteethandflatbucketfloor
T
=Welded-ontoothholderwithadd-onteeth
PI_L566-576T_T_enGB_02.indd 7
L550T2plus2–L576T2plus27
15.02.11 11:38
The Liebherr Standard Consumption Test
5
n=?
35
25
4
T ~ 35 sec.
20 m
30
2,5 m
B
The Liebherr Standard Consumption Test –
easy to reproduce and practical.
EveryLiebherrdealerwillprovideyouwiththismeasuring-tankkitfree
ofchargeor,onrequest,willcarryoutthestandardfuelconsumption
testonyourpremises.It’ssoeasy:yousimplydeterminethenumber
ofloadingcyclesthatcanbecarriedoutwith5litresofdiesel.The
materialistakenfrompileAandcarriedoveradistanceof20metres
topointB.Thetimeneededforeachworkingcycleshouldbe
35seconds.DischargeatpointBshouldtakeplacefromaheightof
2.5m.Theworkingcyclescontinueuntilthe5litresofdieselinthe
externalmeasuringtankhavebeenusedup.Theloader’sfuelconsumptionperoperatinghouriscalculatedasfollows:
3
400
Numberofloadingcycles
=
consumption
perhour
2
20
A
15
Seiteistrechts15mmschmäler(Klappseite)
Environmental protection can help you earn money!
1
Values for the Liebherr Wheel Loaders
Numbersof
Litres/
workingcycles
100tons
L5502plus2:3.2m3
n=31
2.6
L5562plus2:3.6m3
n=27
2.9
L5662plus2:4.0m3
n=22
2.9
L5762plus2:4.5m3
n=21
2.9
Litres/
hour
12.9
14.5
18.2
19.1
Tyres
L 550 2plus2
Michelin
L 556 2plus2
Bridgestone
Goodyear
Michelin
L 566 2plus2
Bridgestone
Goodyear
Michelin
L 576 2plus2
Bridgestone
Goodyear
Michelin
Sizeand
treadcode
Changeof
operatingweight
kg
Widthovertyres
mm
Changeinvertical
dimensions
mm
Use
20.5R25XLDD2A
L5
0
2,650
0
Stone,Miningspoil,Recycling
23.5R25VSDT
23.5R25RT-5C
23.5R25XLDD2A
L5
L5
L5
+244
+ 10
0
2,670
2,660
2,660
+20
+20
0
Stone,Miningspoil,Recycling
Stone,Miningspoil,Recycling
Stone,Miningspoil,Recycling
23.5R25VSDT
23.5R25RT-5C
23.5R25XLDD2A
L5
L5
L5
+244
+ 10
0
2,980
2,970
2,970
+20
+20
0
Stone,Miningspoil,Recycling
Stone,Miningspoil,Recycling
Stone,Miningspoil,Recycling
26.5R25VSDT
26.5R25RT-5C
26.5R25XLDD2A
L5
L5
L5
+352
+288
0
2,980
2,980
2,970
+ 5
+10
0
Stone,Miningspoil,Recycling
Stone,Miningspoil,Recycling
Stone,Miningspoil,Recycling
Beforeoperatingthevehiclewithtyrefoamfillingortyreprotectionchains,pleasediscussthiswithLiebherr-WerkBischofshofen.
PI_L566-576T_T_enGB_02.indd 8
L550T2plus2–L576T2plus28
15.02.11 11:38
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Seiteistrechts15mmschmäler(Klappseite)
2plus2
2plus2
576 T
2plus2
566 T
2plus2
576 T
2plus2
576 T
2plus2
566 T
2plus2
+
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566 T
2plus2
556 T
2plus2
2plus2
2plus2
550 T
+
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+
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556 T
550 T
Equipment
Automatichoistkickout–adjustable
Automaticbucketpositioner–adjustable
Hydraulicservocontrolofworkinghydraulics
Tiltcylinderprotection
Comfortcontrol
Loadingbucketswithandwithoutteeth,orbolt-oncuttingedge
Floatposition
Z-barlinkage
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550T-576T01.11
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2plus2
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576 T
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Function Keys for:
Workinglightsrear
Workinglightsfront
Electronictractiveforceadaptation
Speedrangeselection
Headlights
Ridecontrol
Parkingbrake
Blower
Heater
Hoistkick-out
Airconditioning
Creepspeed
Modeswitch
Amberbeacon
Automaticbucketpositioner
Wash/wipesystemforrearwindow
Floatposition
Roadtravel
Hazardwarningflashers
Additionalhydraulics
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576 T
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566 T
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566 T
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2plus2
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550 T
2plus2
576 T
2plus2
2plus2
556 T
2plus2
550 T
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566 T
Storagebox
Lockablestoragecompartment
Ashtray
Operator’spackage
Operator’sseat–adjustablein6ways
Operator’sseatwithactivesuspension,withseatclimatecontrol
andseatheating
Operator’sseat–airsprungwithseatheating
Fireextinguisher6kg
Cupholder
Height-adjustablesteeringcolumn
Horn
Joysticksteering
Floormat
Clotheshook
Airconditioningsystem
Storageboxwithcoolingfunction
LEDoperatingspotlight,front/rear
Liebherrjoystickcontrol–adjustable
Emergencyhammer
Radioset
Provisionforradioincludingloudspeaker
Rearviewmonitoringwithcamera
Interiorrear-viewmirror
Amberbeacon
SoundproofROPS/FOPScabwithtintedsafetyglassfrontwindshield
(large-arealaminatedglazing),heatablerearwindow
Wash/wipesystemforwindscreenandrearwindow
Slidingwindow
Protectiveventilationsystem
Sunvisor
Dustfiltersystem
Plug12V
Firstaidkit
Adjustablesteeringcolumn
Fourworkingarealightsatfront
Hotwaterheaterwithdefrosterandrecirculated-airsystem
Wideanglemirror
Xenonworkinglightsfront
2in1steeringsystem–changeable
Overheatofhydraulicfluid
Engineoilpressure
Engineoverheat
Emergencysteeringsystem
2plus2
•
•
•
•
•
•
•
Audible Warnings for:
Operator’s Cab
550 T
Warning Lights for:
Batterycharge
Flowthroughemergencysteeringsystem
Parkingbrake
Hydraulicoiltemperature
Aircleanerblockage
Engineoilpressure
Engineoverheat
•
•
•
•
•
•
•
•
•
•
•
•
•
•
556 T
•
•
•
•
•
•
•
•
•
•
•
•
•
•
556 T
Instruments for:
Timerforhoursofoperation
Flashingturnindicators
Diagnosissystem
Rev.counter
Forward–reversetravel
Travelspeedrangesandgearselected
High-beamheadlights
Fuelreserve
Engineoiltemperature
Reversetravel
Speedometer
Clock
Dieselenginepre-heat
Forwardtravel
2plus2
2plus2
+
•
•
•
+
•
•
•
•
•
•
•
+
+
•
+
•
+
•
•
•
•
•
•
•
•
+
•
•
+
550 T
+
•
•
•
+
•
•
•
•
•
•
•
+
+
•
+
•
+
•
•
•
•
•
•
•
•
+
•
•
+
576 T
2plus2
566 T
2plus2
+
•
•
•
+
•
•
•
•
•
•
•
+
+
•
+
•
+
•
•
•
•
•
•
•
•
+
•
•
+
556 T
+
•
•
•
+
•
•
•
•
•
•
•
+
+
•
+
•
+
•
•
•
•
•
•
•
•
+
•
•
+
556 T
550 T
Basic Machine
Automaticcentrallubricationsystem
Batterymasterswitch
Fuelparticlefilter
Electroniccrowdingforcecontrol
Electronicaltheftprotectionwith/withoutdriveridentification
Automatictravelmode
Headlights
Ridecontrol
Pre-heatsystemforcoldstarting
Creepspeed/Cruisecontrol
Combinedinching-brakingsystem
Multi-disclimitedslipdifferentialsinbothaxles
LiDATStandard(LiebherrDataTransferSystem)
LiDATPlus(extendedLiebherrDataTransferSystem)
Liebherr-2plus2-travelgear
Liebherrbiodegredablehydraulicoil
Aircleanersystemwithpre-filter
Reversiblefandrive
Emergencysteeringsystem
Bumper
Back-upalarm
Protectivegridforheadlight
Airpre-cleanerTop-Air
Lockabledoors,serviceflapandenginehood
Fourworkingarealightsatrear
Toolboxwithtoolkit
Weighingdevice(integrated)
Towinghitch
Twotaillights
20km/hspeedlimiting
2plus2
Equipment
• = Standard, + = Option, – = not available
PI_L566-576T_T_enGB_02.indd 9
L550T2plus2–L576T2plus29
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Wide Product Range
State-of-the-art Technology
The Liebherr Group is one of the largest construction
equipment manufacturers in the world. Liebherr’s highvalue products and services enjoy a high reputation in
manyotherfields,too.Thewiderangeincludesdomestic appliances, aerospace and transportation systems,
machinetoolsandmaritimecranes.
To provide consistent, top quality products, Liebherr
attaches great importance to each product area, its
componentsandcoretechnologies.Importantmodules
and components are developed and manufactured inhouse,forinstancetheentiredriveandcontroltechnologyforconstructionequipment.
Exceptional Customer Benefit
Worldwide and Independent
Everyproductlineprovidesacompleterangeofmodels
inmanydifferentversions.Withboththeirtechnicalexcellenceandacknowledgedquality,Liebherrproductsoffer
amaximumofcustomerbenefitsinpracticalapplication.
Hans Liebherr founded the Liebherr family company in
1949.Sincethattime,theenterprisehassteadilygrown
to a group of more than 100 companies with over
32,000employeeslocatedonallcontinents.Thecorporate
headquarters of the Group is Liebherr-International AG
inBulle,Switzerland.TheLiebherrfamilyisthesoleowner
ofthecompany.
www.liebherr.com
PrintedinGermanybyEberlRG-BK-RPLBH/PM10444073-0.5-02.11_enGBAllillustrationsanddatamaydifferfromstandardequipment.Subjecttochangewithoutnotice.
Liebherr-Werk Bischofshofen GmbH
Postfach49,A-5500Bischofshofen
+43508091-0,Fax+435080911385
www.liebherr.com,E-Mail:[email protected]
PI_L566-576T_T_enGB_02.indd 10
15.02.11 11:38
Seiteistrechts2mmschmäler
The Liebherr Group of Companies