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385CFS

Cat C18 Diesel Engine with ACERT TechnologyNet Power (ISO 9249) at 1800 rpm 390 kW/530 hp

Operating Weight with5.7 m3 rock bucket, 650 mm shoes 90 600 kgMaximum Travel Speed 4.5 km/hMaximum Drawbar Pull 592 kNMaximum Reach 10 350 mm

Maximum Height 11 260 mm

Front Shovel

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Hydraulics

Proportional Priority PressureCompensated (PPPC) system with

state-of-the-art electronic controlensures hydraulic system efficiencyand excellent productivity. pg. 6

385C FS Front Shovel Designed for aggressive digging and fast cycle times, this high performance loading tooldelivers the dependability you need to maximize your productivity.

Undercarriage and Structures

The undercarriage supports the swingbearing and upper structure of the

385C FS. It must transmit the reactionforces of digging operations from theupper structure to the ground; therefore,the strength of the undercarriage is amajor factor in machine durability.pg. 5

New feature

Engine

The Cat C18 engine has state-of-the-artACERT technology to meet emission

regulations with exceptional performancecapabilities, fuel efficiency and provenreliability. pg. 4

Environmentally Responsible Design

Quieter operation, lower engineemissions, less fluid disposal andcleaner service can help you meet orexceed worldwide regulations andprotect the environment. pg. 4

Developed specifically for high productionmining applications, the 385C Front Shoveldelivers high bucket fill factors and fastcycle times to maximize your productivity.

Designed and built to meet the performanceand reliability expectations of Cat customers,this machine delivers dependability.

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Front Linkage

The 385C FS is equipped with astandard boom, stick and several bucket

options, offering excellent reach anddigging forces. Parallelogram linkagekeeps the bucket parallel to the groundduring material penetration and themaster cylinder maintains a level bucketwhile raising the boom. pg. 7

Operator Station

An all-new cab provides improvedvisibility and comfort. The new monitor

is a full-color graphical display withenhanced functionality to providesimple, comprehensive machineinterface. pg. 8

Service and Maintenance

Fast, easy service has been designedin with extended service intervals,

advanced filtration, convenient filteraccess and user-friendly electronicdiagnostics for increased productivityand reduced maintenance costs.pg. 10

Complete Customer Support

Your Cat dealer offers a wide rangeof services that can be set up under acustomer support agreement when youpurchase your equipment. The dealerwill help you choose a plan that cancover everything from machine andattachment selection to replacement.pg. 10

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Environmentally Responsible DesignCaterpillar machines not only help you build a better world, they help maintainand preserve the fragile environment.

Outstanding performance.Many features designed to provideoutstanding performance whichcan mean more work done in a day,less fuel consumption and minimalimpact on our environment.

Low exhaust emissions. The Cat C18diesel engine utilizes unique ACERTtechnology to meet exhaust emissionsregulations while assuring optimumfuel efficiency.

Quiet operation. The hydraulicallydriven cooling fan is thermostaticallycontrolled, so the fan only runs at thespeed necessary to maintain correctsystem operating temperatures. Theresult is cool quiet operation with lessdisturbance to the surroundingenvironment.

Ozone protection. To help preservethe earths ozone layer, the airconditioning unit uses only R-134arefrigerant which does not containharmful chlorofluorocarbons (CFCs).

Fewer leaks and spills. Engine oil andencapsulated hydraulic oil filters arepositioned vertically and are easy to reachto minimize spillage. Service intervals areextended to reduce the times fluids arechanged and handled. The new hydraulicoil fine filtration system attachmentextends the service interval from 2000 to5000 hours. Compatible with Cat HEEShydraulic bio-oil for ecologically sensitiveapplications. Finally, the new CatExtended Life Coolant extends service(up to 6000 h) so there is less need forfluid disposal.

Engine A combination of innovations working at the point of combustion, ACERT technologyoptimizes engine performance while meeting EU Stage II and Stage IIIA emission regulations.

Diesel Engine. The Caterpillar C18,with ACERT technology, is a 18.1 liter,six-cylinder, 390 kW (530 hp) enginewith mechanically actuated electronicfuel injection (MEUI) and overheadcamshaft. ACERT technology providesoutstanding engine performance through

advanced electronic control, precisionfuel delivery, and refined airmanagement.

Fuel Consumption. The AdvancedDiesel Engine Management (A4)controller uses sensors throughoutthe engine to manage engine load andperformance. The A4 controller is themuscle behind engine responsiveness,self-diagnostics, controlling emissions,and fuel economy.

Fuel System. C18 engine uses amechanically actuated electricallycontrolled unit injection (MEUI)system. The MEUI system combineshigh- pressure injection and electroniccontrol in a single compact unit.The electronic unit injector is anintegral part of the C18 fuel system.

Computerized electronic controlprovides precise metering and timingof fuel injection.

Cooling System. High capacity,side-by-side cooling system allowsoperation in ambient temperatures upto 52 C. The Electric Power Control(EPC) controls the fan speed based oncoolant temperature and hydraulic oiltemperature for optimized cooling.

Turbocharger. The C18 engine usesa water-cooled, center-section wastegated turbocharger for improvedperformance. This turbocharger controlsthe air volume to the cylinders andworks efficiently during low and highload conditions.

Emissions. ACERT Technologyis a differentiated technology thatreduces emissions at the point of combustion. The technologycapitalizes on proven Caterpillarleadership in three core engine systems:fuel, air and electronics.

Cold Weather Starting Kit.The kit consists of two additionalbatteries, heavy-duty harness,large capacity starting motor,and the ether starting aid.With this kit, the excavator hasthe capability to start at -32 C.

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Undercarriage and Structures Durable undercarriage absorbs stresses and provides excellent stability.

Travel Motors. Two-speed axial pistonhydraulic motors provide the 385C FSdrive power. Speed selection is auto-matic when the high-speed position isselected. Travel motors have internaldisk brakes to hold the machine whenstationary. The travel motors areprotected from damage by rigid covers.

Upper Frame. Rugged main frame isdesigned for maximum durability andefficient use of materials.

Robot welding for consistent,high-quality welds.Outer frame utilizes curved side rails,which are die-formed, for excellentuniformity and strength throughoutthe length.Box section channels improveupper frame rigidity under the cab.Boom tower and one piece main rails.New boom foot design transfers loadmore efficiently with less stress incritical areas.Reinforced lift cylinder and swingdrive mounts increase structuredurability in rock and quarryapplications.

Track. The 385C comes standard withthe new grease lubricated track calledGLT4. The track links are assembledand sealed with grease to decreaseinternal bushing wear, reduce travelnoise and extend service life loweringoperating costs.

Track Rollers. Track rollers are a heavy-duty type with increased strength forlonger life. They also use solid pinsfor retention of the collars and a moresecure design.

Idler Guards and Track Guides.Idler guards and center track guidesused to maintain track alignment arestandard. Optional two-piece full-lengthtrack guiding guards are availablefor additional protection on steepside slopes.

Final Drives. The final drives are thethree-stage reduction planetary type.This design results in a completedrive/brake unit that is compactand delivers excellent performanceand reliability.

Carbody Design. The advanced carbodydesign stands up to the toughestapplications.

Modified X-shaped, box-sectioncarbody provides excellent resistanceto torsional bending.Upper structure weight and stressesare distributed evenly across the fulllength of the track roller frame.Robot welding ensures consistent,

high-quality welds throughout themanufacturing process.

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HydraulicsCaterpillar hydraulics deliver power and control to keep material moving at high volume.

Power Management Control.The pump-valve electronic controlleris central to power managementcontrol and provides highly efficientcontrol for the pumps, valves andengine.

Swing Performance. The three-pumpsystem with independent swinggives priority to the swing circuit forstrong swing acceleration and easilycontrolled multi-function operation.

Biodegradable Hydraulic Oil.Biodegradable hydraulic oil isavailable as an option.

Component Layout. The hydraulic pumps,control valve and hydraulic tank are locatedclose together to minimize the length of piping. The swing control valve is mounteddirectly on the swing motor. Main and swingpump suction and discharge lines have largediameters. These large diameters, combined

with the component layout, guarantee highefficiency.

Auxiliary Hydraulics. An auxiliary valveis standard on the 385C FS and is usedfor the bottom dump circuit. It is drivenelectrically based on commands fromthe pump-valve controller.

Front Linkage Hydraulic System.The hydraulic system for the implementconsists of two boom cylinders, a stickcylinder, two bucket cylinders, two bottomdump cylinders and a master cylinder.

Hydraulic Oil Filtration System.The 385C FS hydraulic system featuressix standard filters in four types.These filters improve reliability,extend the life of hydraulic equipmentand hydraulic oil, boost performanceand reduce running costs. A fine filtrationsystem is available as an attachment.

Third Pedal for Straight Travel (attachment).A third pedal for straight travel is availableas an attachment. This pedal allows straightmachine travel using only a single pedal.

Hydraulic System. The 385C FShydraulic system includes a three-pumpsystem with an independent swingcircuit and a hydraulic circuit utilizingthe proven Proportional PriorityPressure Compensated (PPPC) system.It features Caterpillar-developed

electronic control and activation toensure high hydraulic system efficiencyand excellent productivity.

PPPC System. The load sensing PPPCsystem provides the following features:

Cylinder speed is directly related tooperators movement of the joystickfrom feathering to full speed.Flow to cylinders during multi-functional operation is directlycontrolled by the operator and isnot dependent on loads.Controller reduces pump outputto minimum to save power when

joysticks are in neutral position.

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Front LinkageThe 385C FS delivers higher production and efficiency to all jobs.

Parallelogram Linkage. The Cat385C FS Front Shovel featuresparallelogram-type front linkage witha master cylinder. The parallelogramlinkage automatically keeps the bucketparallel to the ground. This allowsexcellent penetration, fast loading and asmooth floor clean-up. The operator canconcentrate on the boom and stickrather than bucket adjustments.The master cylinder circuit auto-matically maintains a level bucketwhile raising the boom. It aids in bucketpositioning both above and belowgrade, eliminating constant adjustmentduring the work cycle. The mastercylinder arrangement also uses bucketcylinder circuit pressure to increasethe boom lifting force.

Boom. The boom is 4.6 m long andfeatures a rigid structure with a numberof steel castings. The cast steel portionsare structured into a box to reducethe weight of the boom nose andboom foot.

Stick. The 385C FS offers a 3.4 m longstick. The stick nose and stick foot aremade of cast steel. The middle portionhas a box structure fabricated with steel

plates. The stick cylinder-mountingbracket is reinforced from the inside.

Bottom Dump Bucket.The recommended bucket for the385C FS is a bottom dump bucket.It is designed for strength, performanceand long service life.

Linkage Pin. All pins used in the385C FS front linkage have thickchrome plating, giving them highwear and corrosion resistance.The diameter of each pin is madeas large as possible to smoothlydistribute the shear and bendingloads associated with the diggingand lifting forces.

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Complete Customer SupportCat dealer services help you operate longer with lower costs.

Machine Selection. Make detailed comparisonsof the machines you are considering beforeyou buy. What are the job requirements,machine attachments and operating hours?What production is needed? Your Cat dealercan provide recommendations.

Purchase. Consider the financing optionsavailable as well as day-to-day operating costs.This is also the time to look at dealer servicesthat can be included in the cost of the machineto yield lower equipment owning and operatingcosts over the long run.

Customer Support Agreements.Cat dealers offer a variety of productsupport agreements, and work withcustomers to develop a plan the bestmeets specific needs. These planscan cover the entire machine,including attachments, to helpprotect the customers investment.

Operation. Improving operatingtechniques can boost your profits.

Your cat dealer has videotapes,literature and other ideas to help youincrease productivity, and Caterpillaroffers certified operator trainingclasses to help maximize the returnon your investment.

Product Support. You will find nearlyall parts at our dealer parts counter.Cat dealers utilize a worldwidecomputer network to find in-stockparts to minimize machine downtime.You can save money with Catremanufactured components.

Maintenance Services. Repair optionprograms guarantee the cost of repairsup front. Diagnostic programs such

as Scheduled Oil Sampling, CoolantSampling and Technical Analysishelp you avoid unscheduled repairs.

Replacement. Repair, rebuild orreplace? Your Cat dealer can helpyou evaluate the cost involved soyou can make the right choice.

Service and MaintenanceFast, easy service has been designed in with extended service intervals, advanced filtration,convenient filter access and user-friendly electronic diagnostics.

Service Intervals. Service intervalsare extended to reduce maintenancecosts. Engine oil, oil filter and fuelfilters at 500 hours.

Oil Sample and Pressure Ports.Oil sample and pressure portsprovide easy checking of machinecondition and are standard onevery machine.

Hydraulic Capsule Filters. The return filters orcapsule filters for the hydraulic system are locatedbeside the hydraulic tank. The filter elements areremovable without spilling hydraulic oil.

Service Points. Service points are centrally locatedwith easy access to facilitate routine maintenance.

Pilot Hydraulic System Filter. Pilot hydraulic systemfilter keeps contaminants from the pilot system andis located in the pump compartment.

Remote Greasing Block. A concentrated remotegreasing block on the boom delivers grease tohard-to-reach locations.

Radial Seal Cleaner. Radial seal main air cleanerwith precleaner has a double-layered filter elementfor more efficient filtration. No tools are requiredto change the element.

Fuel-Water Separator. The water separatorremoves water from fuel, even when under pressure,and water level can be monitored in the cab.

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Engine

C18 with ACERT TechnologyNet Power at 1800 rpm

ISO 9249 390 kW/530 hpEEC 80/1269 390 kW/530 hp

Bore 145 mmStroke 183 mm

Displacement 18.1 liters

All engine horsepower (hp) are metricincluding front page.The C18 engine meets EU directive97/68/EC Stage II and from January2006 it will meet Stage IIIA emissionrequirements.Net power advertised is the poweravailable at the flywheel when theengine is equipped with fan, aircleaner, muffler, and alternator.No engine derating required below

2300 m altitude.

Drive

Maximum Travel Speed 4.5 km/hMaximum Drawbar Pull 592 kN

Swing MechanismSwing Speed 6.2 rpmSwing Torque 260 kNm

Undercarriage

Track WidthStandard 650 mm

Optional 750 mmNumber of Shoes Each Side 47Number of Track Rollers Each Side 8Number of Carrier RollersEach Side 3

Weights

Operating Weight with 5.7 m 3

rock bucket, 650 mm shoes 90 600 kg

Hydraulic System

Main/TravelCircuit Closed center, load sensingPump Piston, variableMaximum Flowat rated speed 2x490 l/minRelief Valve Setting

Main 320 barTravel 350 bar

Number of Main Pumps 2

SwingCircuit Open center, load sensingPump Piston, variableMaximum Flowat rated speed (total) 450 l/minRelief Valve Setting

Accelerating 260 barNumber of Swing Pumps 2

PilotCircuit Open centerPump GearMaximum Flowat rated speed 90 l/minRelief Valve Setting

Controls 41 barNumber of Pilot Pumps 1

CylindersBoom

Bore 180 mmStroke 1415 mm

MasterBore 152 mmStroke 1953 mm

StickBore 220 mmStroke 1855 mm

BucketBore 178 mmStroke 1810 mm

Bottom DumpBore 160 mmStroke 275 mm

Service Refill Capacities

Liter

Fuel Tank 1240Cooling System 101Engine Oil 65Swing Drive (each) 19Final Drive (each) 21

Hydraulic system(including tank) 995Hydraulic tank 810

Cab/FOGS

Cab/FOGS meets ISO10262:1998.Standard air conditioning systemcontains environmentally friendlyR134a refrigerant.

Sound

Operator SoundThe operator sound level measuredaccording to the procedures specifiedin ISO 6394:1998 is 76 dB(A), forcab offered by Caterpillar, whenproperly installed and maintained andtested with the doors and windowsclosed.Hearing protection may be neededwhen operating with an open operatorstation and cab (when not properlymaintained or doors/windows open)for extended periods or in noisyenvironment.

Exterior SoundThe labeled spectator sound powerlevel measured according to the testprocedures and conditions specifiedin 2000/14/EC is 109 dB(A).

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B

A

D

K

C GJ H

E

FL

1 2 3

385C Front Shovel specifications

DimensionsAll dimensions are approximate.

Buckets for K Series TM Tooth System

mm

Boom 4600

Stick 3480A Boom top height 4500

Cab top heightwith FOPS 4660without FOPS 4520

B Engine hood heightwithout handrail 3460with handrail 3530

mm

C Overall width (retracted)

650 mm shoes 3400750 mm shoes 3500

C Overall width (extended)650 mm shoes 4160750 mm shoes 4260

D Upperstructure width 3470E Tail swing radius 4590F Minimum ground clearance 850

mm

G Overall length 14 250

Counterweight removed 13 790Bucket and stick removed 8600Boom, bucket andstick removed 7460

H Track length 5840J Track gauge width

Extended position 3510Retracted position 2750

K Width over walkways 4390L Counterweight clearance 1630

m3 mm mm kg

5.7 2760 2684 10 4006.5 2760 2881 10 7655.7 2760 2684 10 6004.6 2760 2630 98805.2 2760 2573 10 6505.7 2760 2684 11 050

1 Rock

2 Rock with spill plate

3 Heavy Duty RockHeavy Duty Rock reinforced

WeightCapacity Width Tip Radius

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Front LinkageBoom 4600 mmStick 3480 mmBuckets (see chart on pg.12)Tips, cutting edge protection segments,

and sidebar protector

TrackDouble grouser shoes 750 mm

GuardsTrack guiding guards

Two piece full length

Miscellaneous OptionsAuto-lubrication device including boom

and stick (not bucket)Bio-degradable hydraulic oil

(saturated, synthetic ester,5000 hours change interval)

Converters, 7 amp-12V One Two

Counterweight removed deviceElectric refueling pump without shut off Fast fill engine oil systemFast fill fuel systemFine filtration filterHydraulic tank shut-off valveJump start terminalsOil quick change systemRadiator screenReversible cooling fan including

protective screenStarting aid for cold weather with etherStick lowering control deviceTravel alarm with cut off switch

Operator CompartmentLunch box storage with lidMachine security system with

programmable keysRadio

AM/FM radio mounted in right hand

console with antenna and twospeakers

Radio ready mounting at rear locationincluding 24V to 12V converterspeakers, antenna

SeatAdjustable high-back seat with

mechanical suspensionAdjustable high-back seat with air

suspensionAdjustable high-back heated seat with

air suspensionStraight travel pedal

Optional EquipmentOptional equipment may vary. Consult your Caterpillar dealer for specifics.

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HEHH3118-1 (03/2007) hr

For more complete information on Cat products, dealer services, and industry solutions, visit us on the web atwww.cat.com

Materials and specifications are subject to change without notice. Featured machines in photosmay include additional equipment. See your Caterpillar dealer for available options.

2007 Caterpillar -- All rights reserved

CAT, CATERPILLAR, their respective logos, Caterpillar Yellow and the POWER EDGE trade dress as well ascorporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

385C FS Front Shovel