SCX1200-2 p1-24 (Page 1)

ASIAN ISSUE

2

Specifications

UPPER REVOLVING FRAME:All-welded, precision machined, robustconstruction. A machined surface providedfor mounting load hoist, opt. 3rd drum andboom hoist assemblies, and mounting itself onturntable bearing.

TURNTABLE BEARING WITH INTERNAL SWING GEAR:Single shear ball type; inner race of turntablebearing with integral, internal swing (ring) gearbolted to carbody frame, and outer race ofturntable bearing bolted to upper revolvingframe.

CONTROL SYSTEM:System contains one set each ofquadruplicate and triplicate tandem valveswhich direct oil to various machine functionand are actuated by control levers via remotecontrolled hydraulic servo for all motions.Working speeds can be precisely controlledby pilot-operated armchair single axis controllevers in cooperation with “EPC” controllerthat varies engine rpm and hyd. pumpdischarge simultaneously, or varies just hyd.pump discharge while keeping engine rpmvia motorcycle type grip throttle. System alsotakes a specially-tailored unique hydrauliccircuits to maximizes drum horsepower, andreduces horsepower loss with eliminating thepossibility of engine stall.

Pump control system — By “EPC” controller thatprovides two modes of engine-pump control.MODE I:The “EPC” controller is normally programmedto vary the engine speed and pump dischargesimultaneously. Simply twisting the gripadvances the engine to maximum speed andthe hydraulic pumps to maximum flow at thesame time. This mode is suitable to precisioncrane work.MODE II:By activating a switch, it is able to vary justthe pump discharge by means of the gripthrottle, while keeping engine speed fixed.Mode II is convenient for duty cycle workssuch as clamshell operation, where theengine is normally run at full throttle.

A specially-tailored pressure compensating valve —Utilized in hydraulic circuits to realize a goodminute operation of two main, boom hoist andopt. 3rd drums.

HYDRAULIC SYSTEM:System provided with three variabledisplacement axial piston pumps for bothindependent and combined operations of allfunctions, and one fixed displacementduplicate tandem gear pump for system valveand cylinder controls.

Main/aux. crane hoist motors — Variable dis-placement axial piston motor withcounterbalance valve.

SuperstructureHITACHI SUMITOMO

Boom hoist motor — Axial piston type withcounterbalance valve and spring-applied/power hydraulically released multiple wet-disctype automatic brake.

Third drum motor — Optional extra; variabledisplacement axial piston moter withcounterbalance valve as same as that ofmain/aux. winches.

Swing motor — Two; axial piston type with spring-applied/power hydraulically released multiplewet-disc type brake.

Travel motors — Shoe-in design; variabledisplacement axial piston motor with brakevalve and spring-applied/power hydraulicallyreleased multiple wet-disc type automaticbrake.

Oil cooler — Aluminum-make; available for not only agood rustproof but also high coolingefficiency.

Hydraulic oil reservoir — 450 liters capacity.Kind of hyd. oil — Standardized with ISO VG46

having viscosity ranging from 41.4 thru50.6mm2/sec at 40°C.

LOAD HOIST ASSEMBLY:Front and rear main operating drums drivenby independent hydraulic motor of bi-directional, variable displacement axial pistonmotor through a 2-stage planetary reductiongear unit powering the rope drum in eitherdirection for hoisting and lowering load.Reduction gear unit installed within druminside together with multiple wet-disc brakeunit. Drum each sized in same dimension.

Brakes — Multiple wet-disc unit with negative brakedesign that takes the function of "spring-applied, power hydraulically released", andmaintains a high brake safety even if ahydraulic pressure drop in the circuit happens;installed within drum inside together withshaft-coupled reduction gear unit. Eliminateclutch, and require no brake maintenance onthis brake design.

Brake control — Applies dynamic hydraulic pressurefor brake release operation with an extremelight pedaling force.

Brake mode — Available in two modes; one isautomatic as suitable for liftcrane operation,and the other is free-fall mode as suitable forbucket operation. Free-fall interlocking is alsodesigned for fail-safe operation.

A forced-oil cooling system — Available in bothfront and rear drum brake units to keep brakeperformance even in continuous heavy-dutyoperations.

Drum rotation sensors — Fitted on top of controllevers. Available to let operator sense a drumrotation speed decrease when the load is justlifted off ground.

Drum rotation speed control — Max. rotation speedcan be tuned according to arbitrary value thatis electrically controlled by dialing, and thenvaries pump discharge. Available on two mainoperating drums independently.

Moter swash plate angle setting switch — Availableto set motor swash plates of front/rear drumwinch motors at a certain angle for easilysychronizing front and rear drum rotationspeeds as good for clamshell /diaphragm wallbucket applications.

Drums — One piece, parallel grooved lagging withlocking ratchet wheel cast integral; bolted toreduction gear unit. Available to wind up41.9m long cable of 26mm dia. at drum 1stlayer.

Drum locks — Electrically operated pawl.Drum rollers — Optional extra; available for right

cable winding onto drums.

BOOM HOIST ASSEMBLY:Driven by bi-directional, axial piston hydraulicmotor through 2-stage planetary reductiongear unit powering the rope drum in eitherdirection for hoisting and lowering boom.

Brake — Spring-applied, power hydraulically releasedmultiple wet-disc type automatic brake.

Drum rotation sensor — Fitted on top of controllever. Available to let operator sense a drumrotation speed decrease when the load is justapplied.

Drum rotation speed control — Max. rotation speedcan be tuned according to arbitrary value thatis electrically controlled by dialing, and thenvaries pump discharge.

Drum — One piece, parallel grooved lagging with lockingratchet wheel cast integral; bolted to reductiongear unit.

Drum lock — Power hydraulically operated pawl withautomatic locking device.

THIRD DRUM WINCH MECHANISM:Optional extra; available in almost samedesign as that of front and rear mainoperating winches except drum lagging flangediameter.

Brake — Multiple wet-disc unit with negative brakedesign as same as that of front/rear mainoperating winches.

Brake control — Applies dynamic hydraulic pressurefor brake release operation as same as thatof front/rear main operating winches.

Brake mode — Available in two modes of automaticand free-fall as same as that of front/rearmain operating winches. Free-fall interlockingis also designed for fail-safe operation.

A forced-oil cooling system — Available to keepbrake performance as same as that offront/rear main operating winches.

Drum — One piece, parallel grooved lagging as sameas that of front/rear main operating winches,except drum lagging flange diameter.

Drum lock — Electrically operated pawl.

SWING:Driven by two units of bi-directional, axialpiston hydraulic motors through one set eachof single stage spur and planetary reductiongear unit powering swing pinion. Swingpinion meshes with internal teeth of swing(ring) gear of turntable bearing inner race.

Brakes — Spring-applied, power hydraulicallyreleased multiple wet-disc type; provided oneach of hydraulic motor.

Swing speed control — Max. swing speed can betuned according to arbitrary value that iselectrically controlled by dialing, and thenvaries pump discharge.

Lock — Mechanically operated drop pin.Speed — 1.9min–1 <1.9rpm>.

GANTRY:A-frame type; raised and lowered by powerhydraulic cylinders.

3

OPERATOR’S CAB:A 2.3mm thickeness steel plate constructionwith 940mm wide and a stamped-and-rounded corner designs; acoustically treated,full-vision, cushion rubber mounted, well-ventilated, full compartment, roomy operator’scab with a large straighted front window withgreen-tinted safety glass; provided with anarrangement of “EPC” control/swing lever,armchair control station, sunvisor, sunshade,rear-view mirrors, dual intermittent typewindow shield wipers with washer on bothfront and roof windows, sliding windows onboth sides of cab, and swing-link type slidingdoor.

Instrument panel — Contains engine monitoringlamps, graphic display panel of Load MomentIndicator, gauges & meter, waring lamps andother necessary controllers and switches.

Operator’s seat — Full adjustable reclining seat withhead rest and both R/H and L/H side armrests.

Anemometer — Optional extra; recommended forluffing towercrane attachment.

Air-conditioner — Optional extra; built-in type full air-conditioning.

Heater — Optional extra; hot water type.Electric cab fan — Optional extra; wind-direction

adjustable type.Engine foot throttle — Optional extra; available for

right-hand foot with electrical control.Electric outlet — 24V; available in cab.Operator’s cab sidestep — Available for access

ease to operator’s cab.AM/FM radio — Provided as std. with clock.Fire extinguisher — Optional extra; powder type with

1kg capacity.

MACHINERY CAB:Equipped with hinged doors on both sides formachinery access and inspection; affixed withtape-type non-skid material on the roof.

CATWALKS WITH RAILINGS:Optional extra; hitched in place along bothsides of machinery cab.

HYDRAULIC TAGLINE WINDER:Optional extra; available for clamshellapplication. Provided in front of upperrevolving frame for preventing a shake ofsuspended load by a 10mm dia. tug cablewith light force.

COUNTERWEIGHTS:Weighs 45ton with a 5-block, removable,corner-rounded design. Five blocks consist of“A” (9,400kg), “B” (8,900kg), “C” (8,900kg),“D” (8,900kg)and “E” (8,900kg).

AUXILIARY WEIGHT:Weighs 2.0ton. Mounted on part of optional3rd drum location; if 3rd drum is optionallyrequired, this aux. weight is not required.

ELECTRICAL SYSTEM:24-volt negative ground system; provided withtwo maintenance free batteries of12V×150AH.

LIGHTING SYSTEM:Includes following lights.• Two 70 W working lights;• One 10 W interior cab light.

SHAFTS AND PINS:Most of shafts and pins used onsuperstructure are with zinc or nickel orchromiun plating for rustproof except A-framegantry peak shaft.

POWER UNIT:

CARBODY FRAME:All-welded, precision machined, box typeconstruction; provided with four tip blocksw/pins and lugs to hook and then assemblecrawler side frames on. To mount turntablebearing, a machined surface is provided too.

Hyd. joint-pin removal cylinder — Two; available tofix crawler side frames on carbody frame witha face-contact design to bear reaction force ofcrewer side frame.

CARBODY JACK-UP DEVICE:Contains four hydraulic jack cylinders withcylinder beams pinned to carbody frame fordisassembling/assembling ease of crawlerside frames.

Remote control box — Provided for control ofcarbody jack cylinders.

Pontoon — All-welded construction; four pontoonseach storaged at an inside part of jackcylinder beams.

CRAWLER SIDE FRAMES:All-welded, box type construction, precisionmachined; each provided with two steel platehooks for an assembling ease on carbodyframe. Held in place by hydraulic removalheavy duty joint-pins provided on four tipblocks of carbody frame.

Crawler side steps — Provided at both ends of theframes for easy access to superstructure.

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Make & ModelType

No. of CylindersBore & StrokeDisplacement

Rated Output

Maximum Torque

Fuel Tank

Isuzu 6HK1XWater-cooled, 4-cycle,direct injection, turbo-charged, diesel

Six (6)115 mm × 125 mm

7,790 cc

212 kW/2,000 min—1

〈288 ps/2,000 rpm〉

1,125 N・m/1,500 min—1

〈115 kgf-m/1,500 rpm〉 415 liters

The engine meets Stage/Tier 3 of current smoke emission regulations in Europe, America and Japan.A 212kW engine horsepower shown above is defined under a current international engine horsepower indication formura which includes necessary horsepower for engine alternator drive but excludes engine fan drive.

Undercarriage

DRIVE SPROCKETS:Cast steel, heat treated; one per side frame.Track drive sprocket assembly bolt-coupled to3-stage planetary reduction gear unit outercase as an integral part of shoe-in typetraction motor. Sealed between parts ofrotation and non-rotation of the motor withfloating seal.

IDLER WHEELS:Cast steel, heat treated; one per side frame.Mounted on two bronze bushings with floatingseals for lifetime lubrication.

TRACK ROLLERS:Eleven per side frame; each heat treated caststeel with double flange design. All mountedon two bronze bushings with floating seals forlifetime lubrication.

CARRIER ROLLERS:Three per side frame; each heat treated caststeel with double flange design. All mountedon two bronze bushings with floating seals forlifetime lubrication.

TRACKS:Heat treated, self-cleaning, multiple hingedtrack shoes joined by full floating pins; 55pcs.per side frame.

Shoe width — 965mm wide.Track adjustment — Manual adjustment with oil jack

and shim plate packs is standardized.Automatic track tension adjusting device —

Optional extra; available instead of std. trackadjustment to always keep track tension atoptimum level by means of power hyd.cylinder thru idler wheel actuated by powerhydraulic supplied from superstructure.

TRAVEL AND STEERING:A bi-directional, shoe-in type axial pistonhydraulic motor bolt-couples with drive sprocketthru 3-stage planetary reduction gear unit outercase at each crawler side frame end for traveland steer. Straight-line travel (forward or reverse),pivot or differential turns, and counter-rotation forspin turns available.

Brake — Spring-applied, power hydraulically releasedmultiple wet-disc type automatic brake; locatedwithin hydraulic motor. Brakes automaticallyset when travel levers are in neutral or whenengine is shut down.

Travel speed — Two stages; 1.7/1.0km/hr. (based onflat, level and firm supporting surface, andunder the conditions that no load must beapplied and front-end att. must be the 15.0mbasic boom only).

Gradeability — 30% (17°) permissible based on basicmachine without front-end attachment.

LOAD MOMENT INDICATOR:This is a fully computerized automatic over-

load preventing system including total safeoperation control system; provided with thedesigns of (1) no zero-point adjustment, (2) datainput according to interface counter-indication/message on display panel, and (3) agraphic display panel with setting ease ofviewing angle.

Construction (standard version) — Comprises (1)load detecting device with amplifier, (2) boomangle detector, (3) computerized MicroProcessing Unit (M.P.U.), and (4) graphicdisplay panel.

Functions — This system functions that if the liftingload reaches 90% of the rated one specifiedin the crane capacity chart, an intermittentpre-warning buzzer is given; if it is 100%, awarning is given by a continuous buzzer, andall peri l side motions are automaticallystopped. The machine, however, can beoperated in safety side motions.

Display panel design — A graphic display panel isdesigned, and it is able to input necessaryoperating conditions/data according to interfacecounter-indication/message on the display panel,and the display panel indicates ten and somekinds of the present lifting and workingconditions/data like “l i f t ing load”, “max.allowable lifting load”, “working radius”, “max.allowable working radius”, “boom angle”, “loadratio”, “boom/jib lengths”, “engine rpm” and soon when working. In addition, the displaypanel is provided with three warning indicatorsover “engine over-heat”, “hyd. oil over-temp.”and “brake oil over-temp.”.

HOOK OVER-HOIST LIMITING DEVICE:Limit switch type. Available to prevent hookover-hoisting with functions of automatic drumbraking with hydraulic lock, and warning bybuzzer.

BOOM OVER-HOIST AND -LOWERING LIMITING DEVICE:Available in two kinds of devices; one is limitswitch located on a part of boom foot forpreventing boom over-hoisting, and the otheris the safety function of the LMI available toautomatically prevent boom over-hoisting and-lowering with the functions of automatic drumbraking with hydraulic lock, and warning bybuzzer. Further boom protection from rapidboom over-hoist by hook over-hoist motionunder mal-function of hook over-hoist limitingdevice is available as one of functions of theLMI.

BOOM BACKSTOPS:Dual; telescopic design with spring buffers.

DUAL BOOM OVER-HOIST LIMITING DEVICE:Additional l imit switch located on boombackstops; this is as a further safety devicefor redundant boom protection.

SWING LOCK:Mechanically operated drop pin; available tofirmly lock superstructure in four positions offacing front or rear or left or right to undercarriage.

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Safety Devices

DRUM LOCKS:Electrically operated pawl locks is available onfront and rear main drums while powerhydraulically operated pawl lock is availableon boom hoist drum with an automatic lockingdevice as std.

THIRD DRUM LOCK:Provided as std. when an optional 3rd drumwinch is provided.

FREE-FALL INTERLOCKING DEVICE:Available on both front and rear main drumbrake lines for fail-safe operation. Functionsthat free-fall brake mode is only availablewhen drum brake pedal is pressed eventhough brake mode is switched on free-fallmode.

SWING BRAKE SAFETY CIRCUIT:Available not to start engine whenever swingbrake is off.

BOOM ANGLE INDICATOR:Pendulum type; mounted on right-hand side ofbottom section of crane main boom.

HOOK LATCH:Provided on every kinds of hook to preventout of place of cable from hook.

LEVEL GAUGE:Bubble type; located on operator’s cab floor ofsuperstructure.

CONTROL LEVER LOCKS:Provided on all control levers (except swinglever) to lock levers in neutral.

SWING ALARM:This is by buzzer, and flasher lamps locatedon both sides of machinery cab.

TRAVEL ALARM:Available by an intermittent buzzer.

SPEED SLOWDOWN DEVICE:This is for speed slowdown of hoisting andlowering motions of boom (and tower jib incase of luffing towercrane att.) which areavailable just before automatic stopping atboth upper and lower side l imits ofboom/tower jib angle even though controllever(s) is still at hoisting/lowering position toprevent a shock.

SWING BRAKE LAMP:Provided on operator’s cab instrument panel;this is available to confirm whether or notswing brake is applied.

SIGNAL HORN:Available as warning just before every kindsof motions are initiated.

FOOL PROOF SHUT-OFF SYSTEM:Located in the cab exit; this is available toautomatically deactivate and lock hydraulicsystem.

FRONT-END ATT. ERECTION MODE:This is an internal, integral function of the LMI.In the range out of crane working area, the LMIdisplay panel automatically indicates “Now, outof crane working range” with a rigginginstruction, and it is available to lift front-end att.off ground without the influence of LMI safetyfunctions, and, after front-end att. is lifted over

the range of crane working area, LMI safetyfuction gets back automatically for safe erectionwork. This function is also available for the workof vice-versa.

LMI SAFETY CIRCUIT-OFF SWITCH:Available in key type for a good crane safetyoperation management without fail.

TRAVEL DIRECTION ARROW:Attached each on crawler side frames.

GAUGES & METER:Engine water temperature gauge, fuel gaugeand hour-meter are provided on instrumentpanel.

WARNING LAMPS:Available to let operator warn abnormalmachine conditions as to pilot pressure andbrake system of two main and opt. 3rd drums.;provided on instrument panel.

ENGINE MONITORING LAMPS:Available to let operator warn engine abnormalconditions as to battery charge, lubrication oilpressure, radiator coolant level, oil filterclogging, air filter clogging, water temp.,contorol unit and glow plug.; provided oninstrument panel.

EMERGENCY ENGINE STOP SWITCH:Located at cab instrument panel, and availableto stop engine whenever it is necessary.

REAR VIEW MIRRORS:Two; provided on front-left and -right corners ofsuper-structure.

THREE COLOR PERCENTAGE INDICATOR:Optional extra; this is with three colours ofGreen, Yellow and Red. Each colour indicatesthe load percentage to rated capacity; Greenshows less than 90% as safety, Yellow shows90 to 99% as marginal, and Red shows over100% as over-loading. As further function, Redlamp comes on automatically when operatorcuts off safety circuit of the LMI absent-mindedly.

LIFTING HEIGHT INDICATION DEVICE:Optional extra; available to indicate lifting heightabove ground or depth below ground on displaypanel of the LMI. Aiso, hook hoisting speedslowdown function is available just beforeautomatic stopping at a desired height underhook height setting before operation.

MICROPHONE & LOUD-SPEAKER:Optional extra; this is for operator’sconvenience for loud speaking.

DRUM LIGHT & MIRROR:Optional extra; these are available for checkingrope winding onto front and/or rear drum(s).

AUX. CRANE HOOK OVER-HOIST LIMITING DEVICE:Optional extra; this is available for auxiliarycrane hoist with optional aux. short jib and/orfly jib. Performs the same function as that of“Hook over-hoist limiting device” mentionedbefore.

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BOOM:Lattice construction, round tubular main chords, alloy, hi-ten steel, with bracing of round steel tubing.Boom connections........................................In-line pin connections at 1.85m deep and 1.85m wide.Basic boom...................................................Two-piece, 15.0m basic length; 7.5m bottom and tapered top sections.Boom head machinery .................................Six head sheaves and two guide sheaves with rigid type rope guard. Sheaves

all mounted on anti-friction bearings of conventional, non sealed-grease type.Boom extensions..........................................Optional extra; available in 3.0m, 6.0m and 9.0m lengths with pendants.Maximum boom length.................................72.0m for liftcrane application.

27.0m for clamshell application.

FLY JIB:Optional extra; lattice construction, round tubular main chords, alloy, hi-ten steel, with bracing of round steel tubinghaving in-line pin connections at 0.75m deep and 0.94m wide, and jib head machinery with single sheave mounted onantifriction bearings of conventional, non sealed-grease type. Provided with jib strut, jib backstops, and jib/boom guylinependants. Mounted on 6.0m tapered crane top section, and available for light load lifting operation with less than 11tonwith single part hoist line.Basic fly jib ...................................................Two-piece, 10.0m basic length; 5.0m bottom and top sections.Fly jib extensions .........................................Available in 6.0m length with pendants.Maximum fly jib length .................................28.0m.Boom plus fly jib length ...............................Max. 60.0m + 28.0m / 63.0m + 22.0m.

AUXILIARY SHORT JIB:Optional extra; all-welded construction having single sheave head machinery. Pinned to 7.5m tapered crane top section.Available for 11ton lift as maximum with single part hoist line.

HOOK BLOCKS:Sheaves all mounded on anti-friction bearings. Available in 6 kinds of capacities as under:120t, four sheaves plus an in-line hanger sheave with duplex type hook .......Optional extra.80t, four sheaves with duplex type hook...........................................................Optional extra.70t, three sheaves..............................................................................................Optional extra.50t, two sheaves ................................................................................................Optional extra.30t, one sheave..................................................................................................Optional extra.11t, ball hook ......................................................................................................Optional extra.

BAIL AND BRIDLE:All-welded construction; provided with larger sheaves of a 21.0 D/d ratio on both bail and bridle for 12-part boom hoistrope reeving. Bail pinned to A-frame gantry, and bridle suspended between a 12-part boom hoist rope and pendantropes connecting to tip of 7.5m tapered crane top section. Sheave all mounted on anti-friction bearings of conventional,

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Front-end Attachment

In addition to the above, following safety devices arestandard for luff ing towercrane attachment exceptanemometer.

TOWER JIB ANGLE DETECTOR:This is one of key safety device in the case ofluffing towercrane attachment.

TOWERCRANE LOAD DETECTOR:This is also important safety device whenluffing towercrane attachment is required.

TOWER JIB OVER-HOIST AND -LOWERING LIMITINGDEVICE:

Available in the same construction andfunction as that of “Boom over-hoist and -lowering limiting device” stated before.

TOWER JIB HOOK OVER-HOIST LIMITING DEVICE:Available in the same construction andfunction as that of “Hook over-hoist limitingdevice” described before.

TOWER JIB BACKSTOPS:Dual; telescopic design with spring buffers.

DUAL TOWER JIB OVER-HOIST LIMITING DEVICE:Additional limit switch located on tower jibbackstops; this is as a further safety devicefor redundant tower jib protection.

TOWER JIB ELECTRIC WIRING MONITOR:Available to automatically set all of electricalsystem as avalilable for luffing towercraneoperation when tower jib electric wirings areset.

ANEMOMETER:Optional extra; analogue type. Indicates windvelocity and alarms when the velocity exceedsa figure set.

DRUM DATA:

Notes:1. Line speed is based on drum first layer and rated engine rpm.2. Hoisting line speed varies under load and operating conditions.3. The figures with an asterisk mark(*) indicate the rope line speed as available for clamshell and MHL/MEH bucket applications.4. The figure with two asterisk mark(**) indicates the rope line speed as available for tower jib hoist as automatically set in the case of

luffing towercrane application.

HOIST REEVING:

CABLES:Front drum............................................3×F (a+40), non-spin type, 26mm dia./300m long, breaking load 569kN

〈58.0t〉.Rear drum ................................................Optional extra; 3×F (a+40), non-spin type, 26mm dia./200m long, breaking

load 569kN〈58.0t〉.Boom hoist drum..........................................IWRC 6×P･WS (31), 22.4mm dia./195m long, breaking load 367kN 〈37.4t〉.Optional 3rd drum ......................................Optional extra; 3×F (a+40), non-spin type, 26mm dia., breaking load 569kN

〈58.0t〉. Length deperds on request.

8

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9

■LIFTCRANE CAPACITIES:

Liftcrane 120 metric tons

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Note: Working mass shown above is with 15.0m basicboom, 45ton counterweight, 2.0ton auxiliary weightand optional 120t hook block.

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Notes — Liftcrane capacities1. Capacities included in this chart are the maximum allowable,

and are based on machine standing level on firm supportingsurface under ideal job conditions.

2. Capacities are in metric tons, and are not more than 78% ofminimum tipping loads except the figures surrounded by boldlines which are based on other factor of machine structuralstrength limitationlimitation; the design codes/standardsapplied to the capactie are from “Construction Codes forMobile Crane” and “Ordinance on Safety of Crane andSimilar Equipment” issued by Ministry of Health, Labour andWelfare, Japan.

3.Capacities are based on freely suspended loads and make noallowance for such factors as the effect of wind, suddenstopping of loads, supporting surface conditions, and operatingspeeds. Operator must reduce load ratings to take suchconditions into account. Deduction from rated capacities mustbe made for mass of hook block, weighted ball/hook, sling,spreader bar, or other suspended gear.Hook block mass is as follows:120t...........1.76ton 80t ............1.49ton 70t ...........1.01ton50t.............0.90ton 30t ............0.73ton 11t ...........0.37ton

4. All capacities are rated for 360° swing.5. Least stable rated condition is over the side.6. A 45ton counterweight and 1.7ton aux. weight (or opt. 3rd

drum) are required for all capacities on this chart.7. Attachment must be erected and lowered over the ends of

the crawler mounting.8. Main boom length must not exceed 72.0m.

Maximum fly jib length permitted — 28.0m.Maximum boom and fly jib combination length permitted —60.0m + 28.0m / 63.0m + 22.0m.Maximum boom length when mounting auxiliary short jib is69.0m.

9. Capacities when handling load off main boom head sheavesin case of mounting fly jib or auxiliary short jib on top ofboom are detailed; if required, please consult us or nearestdistributor.

SCX1200-2 AUXILIARY SHORT JIB CAPACITIES:Max. 11t

Note: Jib capacities is almost equal to the figures made by thededuction of a 300kg from the liftcrane capacities for boomlength up to 69.0m unless restricted by the maximum jibcapacity shown above. As to the details, please consultus or nearest distributor.

Auxiliary short jib (Option)

11

Fly Jib Capacities

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Boom length(m)

Jib length(m)

Working radius(m)

51.0 54.0

10.0 16.0 22.0 28.0 10.0 16.0 22.0 28.0

10 30 10 30 10 30 10 30 10 30 10 30 10 30 10 30

11.011.011.011.011.011.011.011.010.69.68.67.97.16.56.05.55.04.64.23.83.5

3.2/55.4

11.0/17.311.011.011.010.810.510.19.99.69.08.17.46.86.25.75.24.84.44.03.53.2

11.0/16.511.011.011.011.011.011.010.99.89.08.17.56.96.35.85.34.94.54.13.73.43.12.8

2.7/61.2

8.5/21.38.48.17.97.67.47.27.06.96.76.56.46.05.55.14.74.44.03.63.22.92.6

8.7/18.38.68.58.38.28.18.07.87.57.47.27.06.56.05.55.04.64.34.03.63.33.02.72.52.2

2.2/66.8

6.5/24.96.46.36.16.05.95.85.65.55.45.25.15.04.94.64.33.93.53.22.92.72.42.1

5.5/19.45.45.25.04.84.64.54.34.14.03.93.83.73.63.53.43.33.23.23.13.03.02.92.52.42.11.91.7

1.7/72.1

3.4/27.83.43.23.23.13.03.02.92.92.82.72.72.72.62.62.52.52.52.52.52.52.42.11.91.7

11.0/14.511.011.011.011.011.011.011.010.39.38.57.67.06.45.85.34.94.44.03.53.22.92.6

11.0/17.811.011.011.010.910.610.310.19.78.88.07.36.66.05.55.04.54.13.73.43.02.7

2.5/58.6

11.0/17.011.011.011.011.011.011.010.89.78.88.07.36.66.15.65.14.74.33.93.53.22.92.52.3

2.0/63.8

8.5/21.98.58.28.07.77.57.37.17.06.86.66.55.95.45.04.54.13.73.43.02.72.42.1

2.0/64.6

8.7/18.88.68.58.38.28.18.07.97.67.57.36.96.35.85.34.94.54.03.73.43.02.72.52.22.01.7

1.6/69.4

6.4/25.46.46.36.16.06.05.95.75.55.45.35.15.04.94.54.13.73.43.02.72.52.21.91.7

1.6/70.6

5.55.35.04.94.74.54.44.34.14.03.93.73.73.53.53.43.33.23.23.12.92.62.42.11.81.7

3.4/28.43.33.23.23.03.03.02.92.82.72.72.72.72.62.52.52.52.52.52.42.21.91.7

14.016.018.020.022.024.026.028.030.032.034.036.038.040.042.044.046.048.050.052.054.056.058.060.062.064.066.068.070.072.074.0

12

Notes — Fly jib capacities1. Capacities included in these charts are the maximum

allowable, and are based on machine standing level on firmsupporting surface under ideal job conditions.

2. Capacities are in metric tons, and are based on 78% ofminimum tipping loads except the figures surrounded by boldlines which are based on other factor of machine structuralstrength limitation; the design codes/standards applied to thecapactie are from “Construction Codes for Mobile Crane” and“Ordinance on Safety of Crane and Similar Equipment”issued by Ministry of Health, Labour and Welfare, Japan.

3. Capacities are based on freely suspended loads and makeno allowance for such factors as the effect of wind, suddenstopping of loads, supporting surface conditions, andoperating speeds. Operator must reduce load ratings to takesuch conditions into account. Deduction from rated jibcapacities must be made for weight of hook block, weightedball/hook, sling, spreader bar, or other suspended gear.Hook block weight is as follows;11t .............0.37ton

4. All capacities are rated for 360° swing.5. Least stable rated position is over the side.6. A 45ton counterweight and 1.7ton aux.weight (or opt.3rd

drum) are required for all capacities on these charts.7. Attachment must be erected and lowered over the ends of

the crawler mounting.

8. Maximum fly jib length permitted is 28.0m, and maximumboom and fly jib combination length permitted is 63.0m boomplus 22.0m fly jib.

Boom length(m)

Jib length(m)

Working radius(m)

57.0 60.0

10.0 16.0 22.0 28.0 10.0 16.0 22.0 28.0

10 30 10 30 10 30 10 30 10 30 10 30 10 30 10 30

11.0/15.111.011.011.011.011.011.011.010.29.28.37.56.86.25.65.14.64.13.73.43.02.72.42.1

2.0/60.6

11.0/18.311.011.011.010.710.510.19.68.67.97.16.55.95.44.94.44.03.53.22.82.52.2

2.0/61.2

11.0/17.611.011.011.011.011.011.010.69.68.67.97.16.56.05.55.04.54.03.73.33.02.72.42.11.81.6

1.6/66.4

8.5/22.48.38.07.87.57.47.27.06.96.76.35.85.34.94.44.03.53.22.92.52.22.01.7

1.6/67.2

8.7/19.48.68.58.48.38.18.07.97.87.57.46.76.15.65.14.74.33.93.53.22.92.52.22.01.81.6

6.4/25.96.46.36.16.06.05.95.85.65.55.45.35.14.74.43.93.53.22.92.52.22.01.7

5.5/20.55.35.14.94.84.64.54.34.14.03.93.83.73.63.53.53.43.23.23.02.72.42.21.91.7

3.4/28.93.33.23.23.13.03.02.92.92.82.72.72.72.62.62.52.52.52.52.22.01.7

11.0/15.611.011.011.011.011.011.011.010.19.18.17.46.66.05.55.04.44.03.53.22.82.52.21.81.6

11.0/18.811.011.011.010.810.610.39.58.57.77.06.45.85.24.74.23.73.43.02.62.22.01.7

11.0/18.111.011.011.011.011.010.59.48.57.77.06.45.85.34.84.33.93.53.12.72.52.21.81.6

8.5/22.98.38.17.97.67.57.37.17.06.86.25.65.14.74.23.83.43.02.72.42.01.7

8.6/19.98.68.68.48.38.18.18.07.97.67.26.56.05.55.04.54.13.73.33.02.72.42.01.81.6

6.4/26.46.36.26.16.05.95.85.75.55.45.35.04.64.13.73.43.02.72.42.11.81.6

5.5/21.05.45.15.04.84.64.54.44.24.14.03.93.73.73.63.53.43.43.02.72.52.22.01.7

3.4/29.43.33.23.23.13.03.02.92.92.82.72.72.72.72.62.62.52.52.42.11.81.6

14.016.018.020.022.024.026.028.030.032.034.036.038.040.042.044.046.048.050.052.054.056.058.060.062.064.066.068.070.0

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13

Liftcrane Working Ranges

40 60 700

72m Boom

69m Boom66m Boom

63m Boom

57m Boom54m Boom

51m Boom48m Boom

45m Boom42m Boom

15m Boom18m Boom

21m Boom24m Boom

27m Boom30m Boom

33m Boom36m Boom

39m Boom

60m Boom

6.1m

3.8m 3.

4m

Hook allowance height

Hei

ght a

bove

Gro

und

(m)

105 15 25 3520 30 45 55 6550

Working Radius (m)

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

15

18

21

24

27

30

33

36

39

42

45

48

51

54

57

60

63

66

69

72

Boo

m L

engt

h (m

)

Notes :The above diagram shows two kinds of locuses of boom peak sheave and hook points; the lower lines each of boom / flyjib indicate the locus of hook point, and the upper lines each show the locus of boom peak sheave point.

14

Clamshell 2.0m3 over

7485

3615

1595

1350

6840

7905

2400

1500

0～27

000

6100

R4900

Working radius

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Notes:1. Max. clamshell rating is 10.0t.2. Mass of bucket plus load should not exceed clamshell ratings

shown above. Following data are for a general diggingapplication buckets.

3. Boom length shall not exceed 27.0m.4. Apparent specific gravity of lifting material:

Earth .................1.7~1.8t/m3

Gravel ...............1.8~2.0t/m3

5. High gantry is required and side frame must be fully extendedfor all operating conditions. Also, 45t counterweight and 2.0taux. weight are required for all clamshell ratings shown above.

6. Max. digging depth below ground shall be 36m.

Bucket capacityBucket mass

2.0m3 2.5m3

4.5t 5.5t

■CLAMSHELL RATINGS:

A

B

C

Bucket overall height (opened)

Bucket overall height (closed)

Bucket opening width

2.5m3

5.13

4.18

3.63

2.0m3

4.59

3.78

3.24

(in m)

Notes:1. Buckets of 2.0/2.5m3 are for a general excavating purpose.2. Other type of bucket than above is also available.

■BUCKET DIMENSIONS:

(in mm)

■WORKING MASS & GROUND PRESSURE:

Note: Working mass shown above is with 15.0m boom, 45toncounterweight, 2.0ton aux. weight, hydraulic tagline winderand 2.5m3/5.5t clamshell bucket.

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General Dimensions

Note: The above general arrangement is under liftcrane application with 15.0m basic boom, 45t counterweight, 2.0t aux.weight carbodyjack-up device and optional 120t hook block.

1350

290

1945

3585

470

965

6365

540018

80

940

1600 1600

7485

4515

3615

1595

1350

6840

7905

1500

0

6100(w/out counterweights)

(w/ counterweights)

7500

7500

6015

R4900

2400

16

Standard equipment Optional equipment

Standard and Optional Equipment

Third drum winch;Third drum cable;Hyd. tagline winder; available for clamshellapplication;Drum rollers; available on front/rear maindrums;Fire extinguisher;Catwalks with railings along both sides ofmachinery cab;Built-in type full air-conditioning;Anemometer; recommended for luffingtowercrane application;Re-fuel pump;Heater;Engine foot throttle;Electric cab fan.

Superstructure Isuzu 6HK1X diesel engine with an 212kW<288ps> rated output;Hydraulic system with three variabledisplacement axial piston pumps and one fixeddisplacement duplicate tandem gear pump;provided with aluminum-make oil cooler;Control system with one each of quadruplicateand triplicate tandem valves and pilot-operatedarm chair single axis control levers; providedwith motorcycle type “EPC” controller (easy-precise-minute engine rpm and hyd. pump oilflow control device), and specially-tailoredpressure compensating valves;Front and rear main operating drum winchesof 196kN〈 20t〉 line pull with 554mm dia.drum lagging driven by independent variabledisplacement hyd. motor ; provided withmultiple wet-disc type brake installed withindrum inside together with reduction gear unitwith negative brake design, brake releasecontrol under dynamic hyd. pressure, and aforced-oil cooling system. In addition, drumrotation speed control and drum rotationsensor are also provided. Available to operatein two brake modes of automatic and free-fall;Boom hoist mechanism driven by hyd. motorwith automatic brake; provided with drum rotationspeed control and drum rotation sensor;Swing mechanism with turntable bearing;driven by two hyd. motor w/spring-applied,power hydraulically released multiple wet-discbrake; provided with speed control device;Power hydraulically retractable A-frame gantry;940mm wide, full-vision operator’s cab with astamped-and-round corner design and largefront window; provided with an arrangement ofarmchair operator control station andinstrument panel;45ton counterweight;2.0ton auxiliary weight; if opt. 3rd drum winchis required, this aux. weight is not furnished;Machinery cab with hinged doors;24-volt electrical system with two 12-volt batteries;Lighting system:Two 70W working lights;One 10W interior cab light;

Accessories:AM/FM radio w/clock;Engine hourmeter; Engine tachometer ;indicated on displaypanel of LMI;Fuel gauge;Eng. water temp. gauge;Engine over-heat indicator ; available ondisplay panel of LMI;Hyd. oil over-temp. indicator; available ondisplay panel of LMI;Brake oil over-temp. indicator; available ondisplay panel of LMI;24V electric outlet;Dual, intermittent window shield wipers withwashers; available on both front and roofwindows;Cigar lighter;Ash tray;Book holder;Sunvisor;Sunshade;Cup Holder;Non-skid surfaces;Cab front step;Cab sidestep;Cab floor mat;Superstructure under-cover.

Std. spare parts and tools.

17


Undercarriage 5,400mm gauge by 7,905mm long crawlerlower with removable crawler side frames;provided with two of hyd. joint-pin removalcylinder;Crawler drive units with shoe-in type tractionmotor with wet-disc type automatic brakes;Carbody jack-up device w/4-vertical hyd. jack-up cylinder and remote control unit;965mm wide track shoes;Manual track tension adjusting devices;Lifetime lubricated track components;Crawler side steps.

Liftcrane Att. 15.0m basic bom; 7.5m bottom section, and7.5m tapered top section;Six boom head sheaves w/two guide sheavesand rigid type cable guard;Bail and bridle assemblies;Main crane hoist cable; 26mm dia./300m long;Boom hoist cable; 22.4mm dia./195m long.

Automatic track tension adjusting device,i/o manual one as std.

3.0m boom extension;



10.0m basic fly jib; 5.0m bottom and topsections with strut and guyline pendants;

6.0m fly jib extension;

Auxiliary short jib;

120t duplex type hook block with hanger;

80t duplex type hook block;

70t hook block;

50t hook block;

30t hook block;

11t ball hook;

Aux. crane hoist cable, 26mm dia./200mlong;

Boom skywalk; available for all sections ofliftcrane main boom.

18


Luffing Towercrane Att.

Safety Devices Load Moment Indicator; this is a computerizedautomatic over-load preventing system incl. totalsafe operation control system; provided with agraphic display panel indicating ten and some kindsof present lifting conditions;Main and aux. drum pawl locks;Boom hoist drum pawl lock (w/automatic lockingdevice);Swing lock;Swing alarm;Travel alarm;Hook over-hoist limiting device;Boom over-hoist and -lowering limiting device;Dual boom over-hoist limiting device;Boom backstops;Speed slowdown device;Boom angle indicator;Level gauge; fitted on floor of operator’s cab;Swing brake lamp;Warning lamps; avallable for pilot line andbrake system;Swing brake safety circuit;Signal horn;Hook latch;Control lever locks;Fool proof shut-off system;Engine monitoring lamps;Rear view mirrors;Free-fall interlocking device;Travel direction arrow;Emergency engine stop switch;Front-end att. erection mode;LMI safety circuit-off switch.

—To be advised later —

Lifting height indication device;Aux. hook over-hoist limiting device;Three color percentage indicator;Microphone & loud-speaker;Drum light & mirror.

Followings are standard in case of luffingtower-crane attachment:

Tower jib angle detector;Towercrane load detector;Tower jib hook over-hoist limiting device;Tower jib over-hoist and -lowering limitingdevice;Tower jib backstops;Dual tower jib over-hoist limiting device;Tower jib electric wiring monitor.

19

■Crane Boom Coustruction:

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15.0

18.0

21.0

24.0

27.0

30.0

33.0

36.0

39.0

42.0

48.0

51.0

54.0

57.0

60.0

63.0

66.0

7.57.5

7.57.5 3

3 3

6

7.5

7.5

7.5

7.5

37.5

7.5

7.5

7.5

6

9

3 3

3 9

7.5

7.5

7.5

7.5

6

3 37.5

7.5

7.5

7.56

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7.5

7.5

7.5

6 9

9 9

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7.5

7.5

7.5

6 9

9 9

37.5

7.5

7.5

7.5

6 9

9 9 9

9

3 37.5

7.5

7.5

7.56

9

9 9

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7.5

7.5 6

3

9

3 3

3

7.5

7.5

7.5

7.5

6

9

9 9

99

3 37.5

7.5

7.5

7.56

9 9 9

999

37.5

7.5

7.5

7.5

6 9 9 9

9 9 9 9

3 3

3

7.5

7.5

7.5

7.5

6 9 9 9

9999

3 37.5

7.5

7.5

7.56

9999

9 9 9 9 9

37.5 7.56 9 9 9 9 9

3 37.5 7.56 9 9 9 9 9

37.5

7.5

7.5

7.5

6 9999

9 9 9 9 9

3 3

3

7.5

7.5

7.5

7.5

6 9999

9 9 9 9 9

3 37.5

7.5

7.5

7.56

9 9 9 9

9999

9

69.0

72.0

45.0

Boom & Fly Jib Combination Diagram

20

■Fly Jib Combination (Available offset angle : 10 & 30 degrees):

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10.0

16.0

22.0

28.0

15.0

×

×

×

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18.0

×

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×

×

21.0

×

×

×

×

24.0

×

×

×

×

27.0

×

×

×

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30.0

×

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33.0

×

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36.0

×

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39.0

○

○

○

○

42.0

○

○

○

○

45.0

○

○

○

○

48.0

○

○

○

○

51.0

○

○

○

○

54.0

○

○

○

○

57.0

○

○

○

○

60.0

○

○

○

○

63.0

○

○

○

×

66.0

×

×

×

×

69.0

×

×

×

×

72.0

×

×

×

×

10.0

16.0

22.0

28.0

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21

Transport Data

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3,160

15,035

4,750

3,190

3,2006,310

3,160

4,750

8,580

3,160

4,750

30,000

117,000

35,300

38,000

22

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770

1,315

3,900

3,900

1,315

495

3,900

1,315

495

920

5,255

w：1,470

3,900

1,315

495

2,150

935

375

7,710 1,965

2,285

8,145

2,315

1,965

1,970

3,120

2,070

6,120

2,070

2,070

9,120 1,965

2,070

9,120 1,965

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• We are constantly improving our products and therefore reserve the right to change designs and specifications without notice.• Units in this specification are shown under International System of Units; the figures in parenthesis are under GravitationalSystem of Units as old one.

Printed in Japan0610(A)03T.EA088

(Supersedes 0402(A)02T.EA025-1)

Address Inquires to:

SCX1200-2

HITACHI SUMITOMOSP

ECIF

ICAT

ION

S

HSC120-M ton Hydraulic Crawler Crane

Luffing Towercrane Att.

78°～15°

15°

22,500～43,500

28,3

50～

52,3

50

90°～60°

2,40

0

6,365

Nominal Towercrane Cap.Tower LengthTower Jib LengthMax. Tower + Jib LengthHook Hoist Rope Line Speed(Hoisting/Lowering-Front Drum)

Jib Hoist Rope Line Speed(Hoisting/Lowering-Rear Drum)

Tower Hoist Rope Line Speed(Hoisting/Lowering-Boom Hoist Drum)

Swing SpeedTravel SpeedEngine

Gradeability

20.0 t × 14.0 m28.35 m～52.35 m22.5 m～43.5 m52.35 m + 43.5 m

110.0～2.0 m/min

37.0～2.0 m/min

46.0～2.0 m/min

1.9 min 〈1.9 rpm〉1.7/1.0 kphIsuzu 6HK1X212kW/2,000min〈288 ps/2,000rpm〉 17 (30%)

■Specification

2

TOWER BOOM:Lattice construction, round tubular main chords, alloy, hi-ten steel, with bracing of round steel tubing.Tower boom connections.............................In-line pin connections at 1.85m deep by 1.85m wide.Special tower boom extensions ...................(1) 1.0m long, lattice construction; pins tower jib bail assembly on upper part,

and just pinned next to 7.5m bottom section. Available to use as liftcraneboom extension.

(2) 9.0m long, lattice construction; provided with luffing jib hoist bridle guiderails, and pinned next to 9.0m extension as 4th section in theconfiguration. Available to use as liftcrane boom extension.

Tower boom extensions .............................Available in length of 3.0m, 6.0m and 9.0m with tower boom/tower jib hoistpendants, and to use as liftcrane boom extension.

Tower head section......................................1.85m long, lattice construction; pinned on top of tower boom. Pins tower jiband fan-shaped post, and provides one guide sheave for hoist cable and twoguide rollers for tower jib hoist pendant ropes.

Tower boom length ......................................28.35m to 52.35m; the configuration of a 52.35m tower boom as maximum isas under as recommended:(1) 7.5m bottom section + (2) 1.0m special ext. + (3) 9.0m ext. + (4) 9.0mspecial ext. + (5) 3.0m ext. × 2 pcs. + (6) 9.0m ext. × 2 pcs. + (7) 1.85mhead section.

Tower boom luffing angle ............................90° thru 60° (according to tower boom/jib combination).

Notes:1. Bottom section of 7.5m long and boom extensions of 3.0m, 6.0m and 9.0m long as necessary to complete liftcrane boom

attachment are available from those of luffing towercrane boom attachment.2. In a case of converting luffing towercrane boom attachment of 52.35m as max. as shown above to liftcrane boom attachment of

73.0m as maximum as available, three items of one set each of 6.0m boom extension, 9.0m boom extension and 7.5m taperedcrane top section are only additionally required.

TOWER JIB:Lattice construction, round tubular main chords, alloy hi-ten steel, with bracing of round steel tubing.Tower jib connections ..................................In-line pin connections at 1.2m deep by 1.27m wide.Basic tower jib...........................................Three-piece, 22.5m basic length; 9.0m bottom section, one 6.0m extension

and 7.5m tower jib top section.Tower jib top head machinery .....................Single head and one guide sheaves mounted on anti-friction bearings.Tower jib extensions ....................................Available in 3.0m, 6.0m and 9.0m lengths with pendants.Maximum tower jib length............................43.5m; a 43.5m tower jib as maximum consists of (1) 9.0m bottom section +

(2) 3.0m ext. + (3) 6.0m ext. + (4) 9.0m ext. × 2 pcs. + (5) 7.5m top section.Tower jib angle ..................................Available from 15° thru 78° to ground (according to tower boom/jib

combination)

FAN-SHAPED POST:All-welded construction; pinned to tower head section. Serves as mechanical connection for tower jib hoisting andlowering motions.

TOWER JIB BAIL AND BRIDLE:All-welded construction; provided with larger sheaves of a 21.4 D/d ratio on both bail and bridle for an 8-part tower jibhoist rope reeving. Bail pinned to an 1.0m special tower boom extension, and bridle suspended between an 8-part towerjib hoist rope and pendant ropes connecting to tower post.

HOOK BLOCKS:To be selected from 30ton and 11ton hook blocks (as same as those of the HOOK BLOCKS mentioned in to “Crane 120metric tons” of the separate SCX1200-2 SPECIFICATIONS).

DRUM DATA:See DRUM DATA mentioned into page 8 of the separate SCX1200-2 SPECIFICATIONS. In case that machine isoperated under luffing towercrane attachment, rope line speed of rear main drum (as used for tower jib hoisting/loweringmotion) is automatically changed to “37–2.0mpm”.

HOIST REEVING:

CABLES:Front drum............................................3×F (a+40), non-spin type, 26mm dia./300m long, breaking load 569kN

(58.0t).Rear drum ....................................................IWRC 6×WS (31), 26mm dia./200m long, breaking load 500kN(51.0t).Boom hoist drum..........................................Same as that of liftcrane application.Optional 3rd drum ........................................Same as that of liftcrane application.

WORKING WEIGHT:Approx. 130.0ton with 52.35m tower boom, 43.50m tower jib, 45.0ton counterweight, 2.0ton auxiliary weight, 965mm widetrack shoes and 30t hook block.

GROUND PRESSURE:93kPa <0.95kg/cm2> under an 130.0ton working weight mentioned above.

Front-end Attachment

Towercrane hoist

No. of part line

Max. load (ton)

2

20.0

1

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Notes:1. Capacities included in these charts are the maximum

allowable, and are based on machine standing level on firmsupporting surface under ideal job conditions.

2. Capacities are in metric tons, and are based on 78% ofminimum tipping load except the figures surrounded by boldlines which are based on factors other than those whichwould cause a tipping condition; the design codes/standardsapplied to the capactie are from “Construction Codes forMobile Crane” and “Ordinance on Safety of Crane andSimilar Equipment” issued by Ministry of Health, Labour andWelfare, Japan.

3. Capacities are based on freely suspended loads and makeno allowance for such factors as the effect of wind, suddenstopping of loads, supporting surface conditions, andoperating speeds. Operator must reduce load ratings to takesuch condit ions into account. Deduction from ratedcapacities must be made for weight of hook block, weightedball/hook, sling, spreader bar, or other suspended gear.Hook block weight is as follows:30t .............0.73ton

4. A 45ton counterweight and 2.0ton auxiliary weight (or opt. 3rddrum winch) are required for all capacities on these charts.

5. All capacities are rated for 360° swing.6. Least stable rated condition is over the side.7. Attachment must be erected and lowered over the front of

the crawler mounting.8. Working radii shown above are at loading condition.9. The machine can be steplessly operated at tower angle

between 60 and 90 degrees safely according to towerboom/jib combination; towercrane capacities available underany tower angle are automatically set up by a computerizedautomatic over-load preventing system, Load MomentIndicator.

10. The machine must be operated in accordance with correcttower boom and jib combination shown right.

11. Capacities under single part hoist l ine are detailed; ifrequired, please consult us or nearest distributor.

12. It is required to strictly observe any instructions mentionedinto the SCX1200-2 Operation Manual whenever machine isoperated.

22.50 25.50 28.50 31.50 34.50 37.50 40.50

●

●

●

●

●

●

●

×

×

●

●

●

●

●

×

●

●

●

●

●

●

×

×

×

●

●

●

●

×

×

×

×

●

●

●

×

×

×

×

×

●

●

×

×

×

×

×

×

●

　Combination Table

●

●

●

●

●

●

●

●

●

●

●

●

◎

●

43.50

×

×

×

×

×

×

×

◎

◎

Jib length (m)

Tower length (m)

28.35

31.35

34.35

37.35

40.35

43.35

46.35

52.85

49.35

Notes:The meaning of symbols shown in the above table is as follows;

1. Symbol of “●” : Possible to luff tower between 90° thru 60°;2. Symbol of “◎” : Possible to luff tower between 90° thru 70°;3. Symbol of “×” : Impossible to make tower boom and jib

combination.

10

6060°°

7070°° 8080°

90°

84

88

92

96

100

60

64

68

72

76

80

40

44

48

52

56

16

20

24

28

32

36

12

40

1.35m

2.40

m

5.0m

5.0m

8

4

16 20 24 28 328 12

60°

70° 80°

90°

36 40 44 48 52 56 60 64 68

78゜ 35゜45゜５５゚65゜

15゜

25゜

Working radius (m)

Hook lift height allowance

Hei

ght

abov

e g

roun

d (

m)

43.5m Jib

40.5m Jib

37.5m Jib

34.5m Jib

31.5m Jib

28.5m Jib

25.5m Jib

22.5m Jib

22.5m Jib

52.35m Tower

28.35m Tower

Luffing Towercrane Working Ranges

11

単位：t

(EC400101)

4.7 5.0 6.0 7.0 8.0 9.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0 48.0 50.0 52.0 54.0 56.0 58.0 59.3

120.0 117.7 98.9 85.2 71.9 59.9 51.3 39.6 32.0 28.2 / 15.4

16 19

110.0 / 5.2 98.8 85.1 71.9 59.9 51.2 39.5 32.0 26.7 22.9

99.0 / 5.7 98.6 85.0 71.9 59.9 51.2 39.4 31.9 26.6 22.7 19.7

19.0 / 20.6

22

88.0 / 6.2 85.0 72.0 60.0 51.3 39.6 32.0 26.7 22.8 19.8 17.5

16.3 / 23.2

77.0 / 6.8 77.0 72.0 60.0 51.3 39.5 31.9 26.6 22.7 19.7 17.3 15.4

14.0 / 25.8

66.0 / 7.3 66.0 60.0 51.3 39.5 31.9 26.6 22.6 19.6 17.3 15.3 13.8 12.4

12.2 / 28.4

66.0 / 7.8 66.0 59.9 51.2 39.3 31.7 26.4 22.5 19.5 17.1 15.2 13.6 12.3 11.1

10.6 / 31.0

55.0 / 8.3 55.0 51.1 39.3 31.6 26.3 22.4 19.4 17.0 15.0 13.4 12.1 11.0 10.0 9.3 / 33.6

55.0 / 8.8 55.0 50.9 39.1 31.5 26.1 22.2 19.2 16.8 14.8 13.2 11.9 10.7 9.8 8.9 8.2 8.1 / 36.2

25 28 31 34 37 40 43 46 49 52 55 58 61 64 67

44.0 / 9.4 44.0 39.1 31.5 26.1 22.2 19.2 16.8 14.8 13.2 11.9 10.7 9.7 8.9 8.1 7.4 7.2 / 38.8

44.0 / 9.9 44.0 38.9 31.3 25.9 22.0 19.0 16.6 14.6 13.0 11.6 10.5 9.5 8.6 7.9 7.2 6.6 6.2 / 41.4

33.0 / 10.4 33.0 31.3 25.9 22.0 19.0 16.6 14.6 13.0 11.6 10.5 9.5 8.6 7.8 7.2 6.6 6.0 5.6

33.0 / 10.9 33.0 31.2 25.8 21.9 18.9 16.4 14.5 12.9 11.5 10.4 9.4 8.5 7.7 7.0 6.4 5.9 5.4 5.0 4.9 / 46.6

33.0 / 11.5 33.0 31.0 25.7 21.7 18.7 16.3 14.3 12.7 11.3 10.2 9.2 8.3 7.5 6.8 6.2 5.7 5.2 4.8 4.3 4.1 / 49.2

33.0 30.9 25.6 21.6 18.6 16.1 14.2 12.6 11.2 10.0 9.0 8.2 7.4 6.7 6.1 5.6 5.1 4.6 4.2 3.8 3.4 / 51.8

22.0 / 12.5 22.0 22.0 21.6 18.6 16.1 14.2 12.6 11.2 10.0 9.0 8.1 7.4 6.7 6.1 5.5 5.0 4.5 4.1 3.7 3.3 2.9 2.9 / 54.1

22.0 / 13.1 22.0 22.0 21.4 18.4 16.0 14.0 12.4 11.0 9.8 8.8 7.9 7.2 6.5 5.9 5.3 4.8 4.3 3.8 3.4 3.0 2.7 2.4 2.2 / 56.7

22.0 / 13.6 22.0 21.9 20.0 18.3 15.9 13.9 12.3 10.9 9.7 8.7 7.8 7.0 6.4 5.7 5.2 4.6 4.1 3.7 3.3 2.9 2.5 2.2 1.9 1.7

21.6 / 14.1 19.6 17.9 16.3 15.0 13.8 12.1 10.8 9.6 8.6 7.7 6.9 6.2 5.6 5.0 4.5 4.0 3.5 3.1 2.7 2.3 2.0 1.7 1.4

70 73

18.8 / 14.6 17.5 15.8 14.4 13.2 12.2 11.2 10.4 9.4 8.4 7.5 6.7 6.0 5.4 4.8 4.2 3.7 3.2 2.8 2.4 2.1 1.8 1.5

Boom length (m)Working radius (m)

　w/1.0m & 9.0m Special Tower Boom Extensions

Notes — Liftcrane capacities1. Capacities on this chart are available when converting luffing

towercrane boom to liftcrane attachment under the conditionthat an 1m special tower boom extension is necessarily usedfor all length of boom; a 9m special tower boom extensionshall be available to use in the boom configuration rangingfrom 25.0m up to 73.0m long.

2. Capacities included in this chart are the maximum allowable,and are based on machine standing level on firm supportingsurface under ideal job conditions.

3. Capacities are in metric tons, and are not more than 78% ofminimum tipping loads except the figures surrounded by boldlines which are based on other factor of machine structuralstrength limitation; the design codes/standards applied to thecapactie are from “Construction Codes for Mobile Crane” and“Ordinance on Safety of Crane and Similar Equipment” issuedby Ministry of Health, Labour and Welfare, Japan.

4.Capacities are based on freely suspended loads and make noallowance for such factors as the effect of wind, suddenstopping of loads, supporting surface conditions, and operatingspeeds. Operator must reduce load ratings to take suchconditions into account. Deduction from rated capacities mustbe made for weight of hook block, weighted ball/hook, sling,spreader bar, or other suspended gear.Hook block weight is as follows:120t...........1.76ton 80t ............1.49ton 70t ...........1.01ton50t.............0.9ton 30t ............0.73ton 11t ...........0.37ton

5. All capacities are rated for 360° swing.6. Least stable rated condition is over the side.7. Counterweight must be 45.0ton for all capacities on this chart

together with 2.0ton auxiliary weight (or opt. 3rd drum winch).8. Attachment must be erected and lowered over the front of the

crawler mounting.9. Main boom length must not exceed 73.0m.

Maximum fly jib length permitted—28.0m.Maximum boom and fly jib combination length permitted—61.0m+28.0m/64.0m+22.0m.Maximum boom length when mounting auxiliary short jib is70.0m.

10. Capacities when handling load off main boom head sheaves incase of mounting fly jib or auxiliary short jib on top of boomare detailed; i f required, please consult us or nearestdistributor.

11. Boom configurations when converting luffing towercrane boomto liftcrane att. shall be in accordance with the SCX1200-2Operation Manual.

12. It is required to strictly observe any instructions mentioned intothe SCX1200-2 Operation Manual whenever machine isoperated.

Liftcrane Capacities 120 metric tons

• We are constantly improving our products and therefore reserve the right to change designs and specifications without notice.• Units in this specification are shown under International System of Units; the figures in parenthesis are under GravitationalSystem of Units as old one.

Printed in Japan0610(A)03T.EA089

(Supersedes 0408(A)02T.EA028-1)

Address Inquires to:

SCX1200-2 p1-24 (Page 1)

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