Model Code : EX1200-6

Engine Gross Power : 567 kW (760 HP) Operating Weight : Backhoe : 111 000 kg

BE-front: 112 000 kg Loading Shovel: 114 000 kg

Backhoe Bucket : SAE, PCSA Heaped:5.2 - 6.7 m³ CECE Heaped:4.6 - 5.9 m³

Loading Shovel Bucket : Heaped:5.9 - 6.5 m³

HYDRAULIC EXCAVATOR

EX-6 series

A Distancebetweentumblers 5 090mmB Undercarriagelength 6 500mmC Counterweightclearance 1820mmD Rear-endswingradius 4850mmD’ Rear-endlength 4740mmE Overallwidthofupperstructure 5380mm

F OverallheightofcabBackhoe 4350mmLoadingshovel 5440mm

G Min.groundclearance 1020mmH Trackgauge 3900mmI Trackshoewidth 700mm 900mmJ Undercarriagewidth 4600mm 4800mmK Overallwidth 5430mmL Trackheight 1660mm

2

SPECIFICATIONS

�

1

9

7

1312

11

10

4 5

3 6

8214

Hydraulic CylindersHigh-strength piston rods and tubes adopted. Cylinder cushionmechanismsareprovidedforboom,arm,bucketanddumpcylinders.Bucketcylindersofloadingshovelareprovidedwithprotector.

Cylinder DimensionsLoading shovel

Quan. Bore Rod diameterBoom 2 230mm 160mmArm 1 215mm 150mmBucket 2 200mm 150mmDump 2 140mm 85mmLevel 1 230mm 160mm

ENGINE

Model................................... CumminsQSK23-CType..................................... Water-cooled,4-cycle,6-cylinder

inline,turbo-chargeddirectinjectionchamber-typedieselengine.

RatedpowerSAEJ1995,gross............. 567kW(760HP)at1800min-¹(rpm)Net.................................... 552kW(740HP)at1800min-¹(rpm)

Maximumtorque.................. 3 472N·m(354kgf·m)at1350min-¹(rpm)

Pistondisplacement............. 23.15LBoreandstroke.................... 170mmx170mmStartingsystem.................... 24VelectricmotorBatteries............................... 2x12V,2x176AH

HYDRAULIC SYSTEM

Hitachi'sETS (ElectronicTotalcontrolSystem)canachievemaximumjobefficiencyby reducing fuelconsumptionandnoise levels,whilemaximizingproductivity through theoptimizationof engine-pumpfunctionswithexcellentcontrollability increasingoperatorcomfort.

• E-P Control (Computer-aided Engine-Pump Control system)Mainpumps regulatedbyelectricenginespeedsensingcontrolsystem.Optimumoperationmodeselectableamong3powermodesdependingontypeofjob.

• OHS (OptimumHydraulicSystem)assures fully independentandcombinedoperations.

•••

••

FPS(Fuel-savingPumpSystem)Auto-idlingsystemHigh-pressure2-speedtravelsystemforhightractionforceandtravelspeed.Forced-coolingpumpdrivesystemTIG(TungstenInsertGas)weldingpipings

EX1200-6

Hydraulic FiltersAll hydraulic circuits have high-quality hydraulic filters for protection againstoilcontaminationandlongerlifeofhydrauliccomponents.

These filters are centralized in arrangement for facilitating maintenance.

Qty.Full flow filter 2 10µmDrain filter 1 10µm(Forallplungertypepumps&motors)Suction filter 2 177µmPilot filter 1 10µmLine filter (Delivery filter) 3 95µm

Relief Valve SettingsBoom/arm/bucketcircuit............................................................ 31.9MPa(325kgf/cm²)Travelcircuit.................................................. 34.3MPa(350kgf/cm²)Swingcircuit.................................................. 27.4MPa(280kgf/cm²)Pilotcircuit.................................................... 4.4MPa(45kgf/cm²)

Mainpumps.................................. 3 variable-displacement, swash

platetypeaxialpistonpumpsMax.oilflow.................................. 3X520L/minPilotpump.................................... GearpumpMax.oilflow.................................. 56.0L/min

CONTROLS

2 Implement LeversRemote-controlled joystickhydraulicservosystem.Right lever is forboomandbucketcontrol,leftleverforswingandarmcontrol.Forloadingshovel,2pedalsprovidedforopening/closingthebottomdumpbucket.

2 Travel Levers with PedalsRemote-controlledhydraulicservosystem. Independentdriveateachtrackallowscounterrotationoftracks.

Swing Device2high-torque,axial-pistonmotorswithplanetary reductiongearbathed inoil.Swingcircle is single-row, shear-typeball bearingwith induction-hardened internalgear. Internalgearandpiniongearimmersed in lubricant.Swingparkingbrake isspring-set,hydraulic-releaseddisctype.

Swingspeed................................................................ 5.2min-¹(rpm)

UPPERSTRUCTURE

Revolving FrameAdeep, full-reinforcedboxsection.Heavy-gaugesteelplatesusedforruggedness.

Deck MachineryMaintenanceaccessibility is themajor feature in the lay-outofdeckmachinery.Sidewalksprovideeasyaccess toengine,hydraulicandelectricalcomponents.

1 LeftConsole 8 RightControlLever

2 LeftControlLever/HornSwitch 9 SwitchPanel

3 LeftTravelPedal 10 KeySwitch

4 LeftTravelLever 11 RightConsole

5 RightTravelLever 12 Operator'sSeat

6 RightTravelPedal 13 GloveCompartment

7 MultiFunctionMonitorPanel 14 PilotControlShut-OffLever

BackhoeQuan. Bore Roddiameter

Boom 2 230mm 160mmArm 1 260mm 180mmBucket(for3.6marm) 1 230mm 160mmBucket(for3.4mBE-arm) 1 240mm 170mm

UNDERCARRIAGE

TracksTractor-typeundercarriage.Boltlinkageforsideframeassuresdurability.Heavy-duty track frameofall-welded,stress-relievedstructure.Top-gradematerialsused for toughness.Lifetime-lubricated induction-hardenedtrackrollers, idlersandsprocketswith floatingseals.Trackshoesofrolledalloywithdoublegrousers.Doublestrutreinforcedtracklinkswith trackguards.Hydraulic (grease) trackadjusterswithshockabsorbingrecoilsprings.

Tractor-type UndercarriageDoublegrousertrackshoesofinduction-hardenedrolledalloy.Shoewidth....................700mmstandard

900mmoptionalforBackhoeattachmentonly

Numbers of Rollers and Shoes on Each SideUpperrollers.......................................................................................3Lowerrollers.......................................................................................8Trackshoes......................................................................................49

Travel DeviceEach track driven by a high-torque, axial piston motor throughplanetaryreductiongears,allowingcounterrotationofthetracks.Easilyreplaceablesprockets.Parkingbrakeofspring-set,hydraulic-releaseddisctype.

Travelspeeds........................................................High:0to3.5km/hLow:0to2.4km/h

Maximumtractionforce........................................707kN(72100kgf)Gradeability......................................................70%(35degree)max.

Operator's CabThesturdycab,withthetopguardconformingtoOPGLevelll(ISO),helpsprotect theoperator from fallingobjects. Independent,pressurized,1100mmwide,1900mmhigh, roomy3.46m3cabwith tinted-glasswindows featuresall-roundvisibility.Spring-suspension-type, fully-adjustablerecliningseatwitharmrests;movablewithorwithout frontandswingcontrol leversbyslide. Instrumentsandcontrolpanelarewithineasyreachoftheoperator.Powerful freshairventilation typeairconditioner.Cool-and-hotboxandrotatableblower louversalsoserveasdefrosters.Thus,rapidair-conditioningcanbeachievedforoperatorcomfort.Fluid-filledelastic-mountingandsound-proofingstructure to reducenoiselevelandvibration.

Noiselevel................................75dB(A)inthecab;onmax.enginespeedunderno-loadcondition.

WEIGHTS AND GROUND PRESSURE

BackhoeEX1200-6:Equippedwith9.0mboom,3.6marm,and5.2m3(SAE,PCSAheaped)bucket

Shoetype Shoewidth Operatingweight Groundpressure

Doublegrousers

700mm 111000kg142kPa

(1.45kgf/cm2)

900mm 113000kg112kPa

(1.14kgf/cm2)

EX1200-6BE-front:Equippedwith7.55mBE-boom,3.4mBE-arm,and6.7m3(SAE,PCSAheaped)bucket

Shoetype Shoewidth Operatingweight Groundpressure

Doublegrousers

700mm 112000kg143kPa

(1.46kgf/cm2)

900mm 114000kg113kPa

(1.15kgf/cm2)

Loading ShovelEquippedwith6.5m3(Heaped)bottomdumpbucke

Shoetype Shoewidth Operatingweight GroundpressureDouble

grousers700mm 114000kg

146kPa(1.49kgf/cm2)

SERVICE REFILL CAPACITIES

Fueltank 1470LEnginecoolant 139LEngineoil 70LPumpdrive 15LSwingdevice(eachside) 25LTravel final device (each side) 43LHydraulicsystem 1350LHydraulicoiltank 610L

1 Engine 11 SwingDevicex2

2 PumpDriveUnit 12 CenterJoint

3 HydraulicPumpx3 13 Filters

4 HydraulicOilTank 14 Batteries

5 FuelTank 15 BatteriesandLubricatorBox

6 EngineRadiator 16 OperatorCab

7 EngineAirCooler 17 Air-ConditioningUnit

8 OilCooler 18 Slide Ladder(Optional)

9 MainControlValve

10 SwingControlValve

4

SPECIFICATIONS

5

BACKHOE ATTACHMENTS

Boomandarmareall-welded,low-stress,full-boxsectiondesign.Bucketofall-weldedhigh-strengthsteelstructure,sideclearanceadjustmechanismisprovidedonthebucketjointbrackets.•Two-pointssupport-typeboomcylinderpinlinkage•Doublelippinseals(inallportions)plusO-ringatarmtopandlinkA•Super-Vbucketteeth

WORKING RANGES

BucketCapacity Width

No.ofteeth

Weight Type

Materialsdensitykg/m3

SAE,PCSAheapedCECE

heapedWithoutshroud Withshroud

BE-front 9.0mboom7.55mBE-boom

3.4mBE-arm3.6marm

5.2m3 4.6m3 1940mm 2120mm 5 4910kg 18005.2m3 4.6m3 1900mm 2000mm 5 5930kg 18005.8m3 5.1m3 2120mm 2220mm 5 6930kg 18006.7m3 5.9m3 2300mm 2400mm 5 6650kg 1800

:Rock bucket :General purpose bucket

Boomlength 7.55mBE-boom 9.0m

Armlength 3.4mBE-arm 3.6m

A Max.diggingreach 13750mm 15350mm

A’ Max.diggingreach(onground) 13360mm 15010mm

B Max.diggingdepth 8050mm 9380mm

B’ Max.diggingdepth(8'level) 7920mm 9260mm

C Max.cuttingheight 12410mm 13460mm

D Max.dumpingheight 8050mm 9080mm

E Max.verticalwall 5180mm 6450mm

Bucketdiggingforce

kN(kgf)

ISO 569(58000)

482(49200)

SAE:PCSA

512(52200)

440(44900)

Armcrowdforce

kN(kgf)

ISO 438(44700)

430(43900)

SAE:PCSA

425(43400)

422(43000)

Meter

14

12

10

8

6

4

2

0

2

4

6

8

10

1201618 14 12 10 8 6 4 2 Meter

D

E

C

BʼB

AAʼ

EH1100Ground Line

•FlexiblepinatthearmtopandlinkAforbucketlinkage.

BE (Bulk Excavation) frontBE-front:TheEX1200-6BE-front isdesignedandmanufacturedasaproduction-orientedmachine.Itsfeaturesincludeashortarmandboom,large-capacitybucket, large-diggingforceandsuperbdigging/ loadingcapability.

LOADING SHOVEL ATTACHMENTS

Boomandarmareall-welded, low-stress,high-tensilestrengthsteel full-boxsectiondesign.Efficient,automatic levelcrowdingachievedbyone-levercontrolastheparallellinkmechanismkeepsthebucketdiggingangleconstant,and levelcylindercircuitmaintains thebucketheightconstant(Auto-LevelingCrowdMechanism).

WORKING RANGES

BucketCapacity(heaped) Width No.ofteeth Weight Type Materialsdensity

5.9m³ 2510mm 6 9780kg 1800kg/m3

6.5m³ 2700mm 6 9200kg 1800kg/m3

:Bottom dump type rock bucket

:Bottom dump type general purpose bucket

Bucketcapacity(heaped) 6.5m3

A Min.diggingdistance 4510mm

B Min.levelcrowdingdistance 6580mm

C Levelcrowdingdistance 4370mm

D Max.diggingreach 11500mm

E Max.cuttingheight 12410mm

E’ Max.dumpingheight 8750mm

F Max.diggingdepth 4780mm

GWorkingradiusatmax.dumpingheight

6140mm

H Max.bucketopeningwidth 1880mm

Crowdingforce 577kN(58900kgf)

Breakoutforce 594kN(60600kgf)

Meter14

12

10

8

6

4

2

0

2

4

6

8

02468101214 Meter

EH1100

A

BD

HG

E'

E

F

C

Ground Line

•Dual-support-typeboom/arm/bucketpinlinkage•DoublelippinsealsplusO-ringatarmtop

6 7

ENGINE•H/Pmodecontrol•Pmodecontrol•Emodecontrol•75Aalternator• Dry-type air filter with clean dust cup• Cartridge-type engine oil filter• Cartridge-type fuel filter• Water filter•Radiator,aircoolerandoilcoolerwith

dustprotectivenet•Radiatorreservetank•Fanguard•Isolation-mountedengine•Auto-idlesystem•Overheatpreventiondevice

HYDRAULIC SYSTEM•Enginespeedsensingsystem•E-Pcontrolsystem•OHS(OptimumHydraulicSystem)•FPS(Fuel-savingPumpSystem)•Swing/boomprioritymodesystem•Heavyliftingsystem•Boommodeselectorsystem•Forced-lubricationand forcedcooling

pumpdrivesystem•Controlvalvewithmainreliefvalve• Line filter (Delivery filter)• Suction filter• Full-flow filter• Pilot filter• Pump drain filter

CABAll-weather sound-suppressed steelintegratedcabwith headguard (OPGLevel l l(ISO) conforming), laminatedglasswindshield,reinforced/tinted(greencolor) glass side and rear windows,intermittentwiper interlockedwith frontwindshieldwasher,adjustable recliningseatwithadjustablearmrests, footrest,electricalhorn,auto-tuningAM-FMradiowithdigital clock, seatbelt, cigarettelighter, ashtray, parcel pocket, glovecompartment, floor mat, auto-idle switch, evacuationhammer,autoairconditionerwithdefroster,hotandcoolbox,enginecontroldial,pilotcontrolshut-off lever,LEDroomlamp.

MONITOR SYSTEMS•Meters:

Hourmeter,enginecoolanttemperaturegaugeandfuelgauge,auto-idle,indicator,lubricationmodeindicator.

•Warningindicators:Radiatorwaterlevel,engineoillevel,hydraulicoillevel,fuellevel,autolubrication, air-filter restriction, pump transmissionoilpressure,alternator,overheat,engineoilpressure,enginestop,preheatandenginewarning.

DATA LOGGING SYSTEM•DLU(Data-loggingunit)continuously

recordsperformanceoftheengineandthehydraulicsystem.Therecordcanbedown-loadedbyPDA(Palm).

LIGHTS•2workinglights•2cablights•1steplight•2counterweightlights

UPPERSTRUCTURE•Undercover•17500kgcounterweight•Electricgreasegunwithhosereel•Centralizedlubricationsystemforswing

bearing•Controlvalveswithmainreliefvalves

andportreliefvalves• Slow return orifices and make up valves

forcylindercircuits

UNDERCARRIAGE•Spring-set/hydraulic-releaseddisctype

parkingbrake•Hydraulic(grease)trackadjusterwith

shockabsorbingrecoilsspring•Travelmotorcover•Trackandidlerguards

MISCELLANEOUS•Standardtoolkit•ISOconformingstairsandhandrails•Widesidewalk•Auto-lubricationsystemforfront-

attachment•12Vpowerterminalboard•Slipresistancetapes•Elevatedcab(forLoadingShovel)

OPTIONAL EQUIPMENT Optionalequipmentmayvarybycountry,sopleaseconsultyourHitachidealerfordetails.

•Air-suspensionseat•Travelmotionalarmdevice•Highcabkit(forBackhoe)•Fulltrackguard•Slideladder•Sunvisor

STANDARD EQUIPMENT Standardequipmentmayvarybycountry,sopleaseconsultyourHitachidealerfordetails.•Easilyassembledowingtolocalassemblingsystemrequiringnowelding

UPPERSTRUCTUREUnit:mm

UpperstructureWeight : 35 000 kg

Width : 3 500

3 29

0

6 770

CounterweightWeight : 17 500 kg

Width : 3 450

1 71

0

870

Muffler cover

Weight : 100 kg

Width : 1 390

930

1 160

Side step

Weight : 18.6 kg

Width : 110

1 12

0

325

Side walk for backhoe

Weight : 213 kg

Width : 1 040

1 35

1

2 361

Side walk for loading shovelWeight : 176 kg

Width : 1 050

1 35

0

1 560

High cab kit for loading shovel(Optional equipment for backhoe)Weight : 590 kg

Width : 1 100

1 09

0

1 930

Step for loading shovelWeight : 126 kg

Width : 1 020

2 12

0

950

Fender (left rear side)Weight : 144 kg

Width : 798

1 36

0

1 830

Fender (left rear side)Weight : 160 kg

Width : 644

1 36

0

2 090

Width : 834

Side walkWeight : 180 kg

1 33

0

2 110

Width : 192

Side walkWeight : 18 kg

1 16

0

754

Width : 680

Handrail

Weight : 23 kg1

020

188

Width : 50

Handrail

Weight : 4.6 kg

320

800

Radiator cover

Weight : 89 kg

Width : 80

1 85

0

1 570

Oil cooler cover

Weight : 83 kg

Width : 80

1 85

0

1 420

EQUIPMENT / TRANSPORTATION

� 9

UNDERCARRIAGEUnit:mm

LOADER ATTACHMENTUnit:mm

Bucketcapacity

A B Max.Width Weight

5.9m³ 2770mm 2480mm 2690mm 9780kg6.5m³ 2770mm 2680mm 2890mm 9200kg

Side frameWeight : 15 200 kg x 2

Width : 700

1 71

0

6 500

Traction device cover Weight : 24 kg x 2

Width : 460

820

460

StepsWeight : 13 kg x 2

Width : 125

90

580

LadderWeight : 20 kg

Width : 300

645

940

Bucket

B

A

Boom cylindersWeight : 1 170 kg x 2

3 520

450

Boom & arm assemblyWeight : 15 600 kgWidth : 1 620

3 50

0

3 15

0

8 690

OVERALLUnit:mm

LOADING SHOVEL

Weight : 114 000 kgWidth : 5 470

5 25

0

15 400

BACKHOE ATTACHMENTUnit:mm

Arm

B

A

Boom

C B

A

Boom cylinders

Weight : 1 130 kg x 2

438

3 520

Bucket

B

A

Boomlength

A B C Width Weight

EX1200-6 9.0m 9400mm 2970mm 3260mm 1460mm 12500kgEX1200-6

BE-boom7.55m 7960mm 3270mm 3440mm 1460mm 11500kg

CapacityA B Width Weight TypeSAE,PCSA

heapedCECE

heaped5.2m3 4.6m3 2660mm 2210mm 2120mm 4910kg5.2m3 4.6m3 2660mm 2210mm 2000mm 5930kg5.8m3 5.1m3 2590mm 2240mm 2220mm 6930kg6.7m3 5.9m3 2820mm 2220mm 2400mm 6650kg

:Rock bucket :General purpose bucket

Armlength A B Width WeightEX1200-6 3.6m 5120mm 1890mm 960mm 6130kgEX1200-6

BE-boom3.4m 4950mm 1980mm 960mm 6300kg

OVERALLUnit:mm

BACKHOE

B

A

A B WidthEX1200-6 15970mm 5770mm 5430mmEX1200-6

BE-boom14580mm 5970mm 5430mm

TRANSPORTATION

10 11

METRICMEASURE

Ratingover-sideor360degreesRatingover-frontUnit:1000kg

ConditionsLoadpointheight

Load radiusAtmax.reach

2 m 4 m 6 m � m 10 m

meter

EX1200-6 BEBE-boom 7.55 mBE-arm �.4 mBucket SAE, PCSA : 6.7 m�

Shoes 700 mm

8m*16.7 *16.7 *6.74 *6.74

12.6*18.1 *18.1 *7.75 *7.75

6m*18.3 *18.3 *6.82 *6.82

13.118.8 *20.5 *7.84 *7.84

4m*25.0 *25.0 17.8 *19.8 *7.24 *7.24

13.327.1 *27.9 17.8 *22.3 *8.29 *8.29

2m24.9 *28.7 16.6 *21.5 *8.05 *8.05

13.024.9 *32.0 16.6 22.6 *9.17 *9.17

0(Ground)23.4 *30.5 15.8 21.7 *9.44 *9.44

12.423.4 32.1 15.8 21.7 10.4 *10.7

-2m37.9 *41.0 22.7 *29.7 15.3 21.237.9 *45.7 22.7 31.4 15.3 21.2

-4m*42.2 *42.2 *34.7 *34.7 22.8 *25.8 15.6 *17.5*47.2 *47.2 38.3 *38.9 22.8 *29.0 15.6 *19.9

-6m*23.3 *23.3 *15.8 *15.8*26.4 *26.4 *18.2 *18.2

ConditionsLoadpointheight

Load radiusAtmax.reach

2 m 4 m 6 m � m 10 m 12 m

meter

EX1200-6 STDBoom 9.0 mArm �.6 mBucket SAE, PCSA : 5.2 m�

Shoes 700 mm

10m*10.1 *10.1

13.511.0 *11.2

8m13.7 *13.9 9.18 *9.93

14.413.7 *15.8 9.18 *11.1

6m*16.2 *16.2 13.2 *14.3 8.13 *10.1

14.8*18.3 *18.3 13.2 *16.3 8.13 *11.3

4m*24.3 *24.3 17.8 *18.3 12.5 *15.3 7.64 *10.6

14.925.9 *27.2 17.8 *20.7 12.5 17.0 7.64 10.9

2m23.5 *28.0 16.4 *20.4 11.7 16.2 7.63 10.9

14.723.5 *31.4 16.4 22.3 11.7 16.2 7.63 10.9

0(Ground)22.2 *29.7 15.4 21.3 11.1 15.5 8.17 11.6

14.222.2 30.7 15.4 21.3 11.1 15.5 8.17 11.6

-2m21.7 *29.3 14.9 20.7 10.8 15.2 9.48 *12.8

13.221.7 30.3 14.9 20.7 10.8 15.2 9.48 13.3

-4m*21.7 *21.7 *35.2 *35.2 21.8 *27.3 14.9 20.7 11.0 *15.2*24.0 *24.0 36.8 *39.4 21.8 30.4 14.9 20.7 11.0 15.4

-6m*29.4 *29.4 22.5 *23.1 15.4 *17.0*33.1 *33.1 22.5 *26.1 15.4 *19.4

Withheavyliftingsystem Notes: 1.RatingsarebasedonSAEJ1097. 2.Lifting capacity of the EX Series does not exceed 75% of tipping load with the machine on firm, levelgroundor87%fullhydrauliccapacity. 3.Theloadpointisahook(notstandardequipment)loadedonthebackofthebucket. 4.*Indicatesloadlimitedbyhydrauliccapacity.

A:LoadradiusB:LoadpointheightC:Liftingcapacity

LIFTING CAPACITIES

MEMO

0�.0� (KA/KA,MT�)

Printed in Japan

KS-EN109Hitachi Construction Machinery Co., Ltd.www.hitachi-c-m.com

These specifications are subject to change without notice.Illustrationsandphotosshowthestandardmodels,andmayormaynotincludeoptionalequipment,accessories,andallstandardequipmentwithsomedifferencesincolorandfeatures.Beforeuse,readandunderstandtheOperator’sManualforproperoperation.