OPERATING WEIGHT 72,432–77,298 lb BUCKET …

1 PC300LC-7 With Tier 3 engine FLYWHEEL HORSEPOWER184 kW 246 HP @ 1950 rpmOPERATING WEIGHT32860 35070 kg 72,432 77,298 lbBUCKET yd3 Photo may include optional Maintenance Extendedreplacement interval ofengine oil, engine oil filter andhydraulic filter Equipped with 10 micron fuel pre-filter as standard (with waterseparator) Side-by-side cooling conceptenables individual cooling modulesto be serviced Equipped with the EMMS monitoring system Easy access to engine oil filter andfuel drain valve Large fuel tank capacity Equipped with KOMTRAX (standard)PC300LC-72 HYDRAULICEXCAVATORWALK-AROUNDKOMTRAX equipped machines can send location, SMR andoperation maps to a secure website utilizing wireless , most Step II capable machines can relay errorcodes, cautions, maintenance items, fuel levels, and much Features High Production and Low FuelConsumptionHigh power, working performance and fuelefficiency improve production and fuelcosts. Large Drawbar Pullprovides superb steering and slopeclimbing performance.

2 Higher Lifting CapacityLifting mode is provided for superb liftingoperation. Large Digging ForcePressing the Power Max function buttontemporarily increases digging force by 8%. Multi-Function Color Monitor Working mode selection Self-diagnostic with EMMS Attachment hydraulic oil flow adjustment in cab Automatic Three Speed Travel General Features OPG top guard level 2 capable, with optional bolt on top guard engine neutral start with lock lever High-visibility cab with two (2) front, one (1) sideand one (1) rear mirrors Slip-resistant plates for improved foot gripFLYWHEEL HORSEPOWERNet:184 kW 246 HP@ 1950 rpmOPERATING WEIGHT32860 35070 kg72,432 77,298 lbBUCKET yd3 Ecology and Economy Features Low emission engine A powerful turbocharged and air-to-air aftercooled KomatsuSAA6D114E-3 engine provides 184 kW 246 engine is EPATier 3 and EU stage 3A emission certified, without sacrificing poweror machine productivity. Economy mode reduces fuel consumption Low operation noisePhoto may include optional Comfortable Cab Low noise design Low vibration with cab damper mounting Highly pressurized cab with automatic air conditionerExcellent Reliability and Durability High rigidity work equipment Sturdy frame structure Reliable Komatsu manufactured majorcomponents Highly reliable electronic devicesElectronic control unit for engineHydraulic system controllerEngineHeavy duty HPCR (High Pressure Common Rail) systemHydraulic control valveMain pumpLCD color monitorPC300LC-74 HYDRAULICEXCAVATORPRODUCTIVITYFEATURESK omatsu s new ecot3 engines are designedto deliver optimum performance under thetoughest of conditions, while meeting thelatest environmental engineis Tier 3 EPA, EU Stage 3A and Japanemissions certified.

3 Ecot3 - ecology andeconomy combined with Komatsu technologyto create a high performance engine withoutsacrificing power or Clean EngineThe PC300LC-7 gets its exceptional power and workcapacity from a Komatsu SAA6D114E-3 is184 kW 246 HP, providing increased hydraulic power andimproved fuel SAA6D114E-3 is EPA Tier 3 and EU stage 3 Aemissions certified with NOx emission reduced by 33%.The SAA6D114E-3 engine adopts the electronicallycontrolled Heavy Duty HPCR* fuel injection system.*HPCR:High Pressure Common RailHydraulicsUnique two-pump system ensures smooth compoundmovement of the work controlsboth pumps for efficient engine power systemalso reduces hydraulic loss during Operation NoiseThe dynamic noise is lowered by 1 dB, realizing a loweroperational ModeApplicationAdvantagePower mode Maximum production/powerP Fast cycle timesEEconomy mode Excellent fuel economyLLifting mode Hydraulic pressure isincreased by 7%BBreaker Optimum engine rpm,modehydraulic flow for breaker operation5 HYDRAULICEXCAVATORPC300LC-7 Large MaximumDrawbar PullLarge maximum drawbarpull provides superbsteering and slopeclimbing drawbar pull:264 kN 26900 kgf59,300 lbLarge Digging ForceWith the one-touch Power Max function, digging force isfurther increased ( seconds of operation).

4 Maximum arm crowd force (ISO):160 kN ( )Maximum BUCKET digging force (ISO):212 kN ( )171 kN ( ) 8% UP227 kN ( ) 8% UP171 kN ( ) 8% UP227 kN ( ) 8% UPwith Power Power Mode SelectionThe PC300LC-7 excavator is equipped with four workingmodes (P, E, L, and B mode).Each mode is designed tomatch engine speed, pump flow, and system pressure withthe current provides the flexibility to matchequipment performance to the job at hand.*Measured with Power Max function, 3185 mm 10'5"arm and ISO Loading OperationTwo return hoses improvehydraulic the armout function, a portion of the oil isreturned to the tank Boom SettingsSmooth mode provides easy operation for fine work or scrapingdown maximum digging force is needed, switchto Power mode for more effective modePower modeBoom floats upward, reducing liftingof machine facilitates finework and scraping down force is at maximum for normalproduction Three-Travel SpeedTravel speed is automatically shifted from high to low speedaccording to the pressure demand on travel ModeThe PC300LC-7 offers two operator selectable mode for severe or high mode allows significant fuel savingsat slightly reduced production ModeWhen the lifting mode is selected, lifting capacity isincreased 7% by raising hydraulic Cab Noise Cab is highly rigid and hasexcellent sound improvementof noise source reduction and use of low noise engine .

5 Hydraulic equipment, and air conditioner allows thismachine to generate a low level of Vibration with Cab DamperMounting PC300LC-7 uses a multi-layer viscousmount system that incorporates longerstroke and the addition of a cab damper mounting combined withhigh rigidity deck reduces vibration at theoperator s may include optional ComfortableCabMulti-Position Controls The multi-position, PPC (pressureproportional control) levers allow theoperator to work in comfort while maintainingprecise double-slide mechanismallows the seat and controllers to movetogether or independently, allowing theoperator to position for maximumproductivity and OilSpringSeat Sliding Amount: 340 mm "PC300LC-7 cab interior is spacious and provides a comfortable Cab Wide spacious cab includes seat withreclining seat height andlongitudinal inclination are easily adjustedusing a pull-up can be fullyreclined with headrest Cab With automatic air conditioner, air filters,and a higher internal air pressure (+ Aq + " Aq), external dust isprevented from entering the Air Conditioner A 6900 kcal 27,400 Btuair conditioner bi-level control function keepsthe operator s head and feet cool andwarm improved air flowfunction keeps the inside of the cabcomfortable throughout the keeps cab glass Highly durable slip-resistant platesmaintain superiorfoot tractionperformance for thelong Lever Makes all hydraulic cab start functionallows machine to be startedonly in lock OPG top guard level 2 capable, withoptional bolt-on top Level 2 Top Guard (optional)Front Full Guard Level 2(optional)

6 Wide Visibility Highly rigid cab allows for increased glass area and providessuperior all around visibility to work Side-View,Rear,andSidewise Mirrors Enlarged left-side mirror and the addition ofrear and side mirrors allow the PC300LC-7to meet new one-meter boundary ISOvisibility Room Partition Pump/ engine room partition prevents oil from spraying on theengine if a hydraulic hose should and Fan Guards Thermal and fan guards areplaced around high-temperatureparts of the engine and fan Serrated StepsLarge Hand RailEquipped withFuel Pre-Filter(with WaterSeparator) Removes water andcontaminants in thefuel to prevent with the Eco-Drain Valveas Standard Provides for easier and cleaner engine MonitorThe PC300LC-7 features the mostadvanced diagnostics system in Komatsu exclusive systemidentifies maintenance items, reducesdiagnostic times, indicates oil and filterreplacement hours and displays Machine MonitoringSystem When starting switch is turned ON, check-before-starting items and caution itemsappear on the liquid crystal are found, a warning lampblinks and a warning buzzer machine condition checkshelp prevent the development of seriousproblems and allows the operator toconcentrate on the work at display of the EMMS multi-color monitor (Example)Normal display Maintenance time display engine oil replacement displayAbnormal information & checking function display of the EMMS multi-color monitor (Example)

7 Battery charging abnormal display Error code display Display for night workAbnormalities on Electronic SystemDisplay with Code When an error occurs during operation, auser code is an importantuser code is displayed, a caution lampblinks and a warning buzzer sounds toprevent the development of Function When machine exceeds oil or filterreplacement time, the maintenance monitorlights to inform Data Memory Function Monitor stores abnormalities for Management Monitoring SystemEasy MaintenanceKomatsu designed the PC300LC-7 tohave easy service know bydoing this, routine maintenance andservicing are more likely to be performed,which can mean a reduction in costlydowntime later are some of themany service features found on Radiator Cleaning Since radiator and oil cooler are side-by-side modules, it is easy to clean, remove,and install Access to engine Oil filter andFuel Drain Valve engine oil level check, oil fill port, and fuelfilter are one side mounted to oil filter and fuel drainvalve are remotely mounted to Oil FilterFuel Drain Valve9PC300LC-7 HYDRAULICEXCAVATORE ngine oil & engine oil filterevery 500hoursHydraulic oilevery 5000hoursHydraulic oil filterevery 1000hoursMaintenance Costs ReducedExtended Replacement Intervals for Hydraulic Oiland Filter/ engine Oil and Filter High performance filters are used in hydraulic circuit and hydraulic oil filter, engine oil, and engine oil filter elementreplacement intervals significantly reducemaintenance Work Equipment Greasing Interval High quality BMRC bushings and resin shims are installed in thework equipment, excluding BUCKET .

8 Extending greasing interval to500 Air Cleaner High capacity air cleaner iscomparable to that of larger large air cleaner extends filterelement life and extends In-Line FilterThe PC300LC-7 has highpressure in-line filters installed atthe pump discharge the hydraulic system fromcontamination due to the unlikelyevent of a pump Rigidity Work Equipment Thanks to large cross-sectional structures,thick high tensile strength steel, andpartition walls, the boom and arm exhibit excellent durability and are highly resistant to bending and Frame Structure The revolving frame, center frame, andundercarriage are designed using themost advanced three-dimensional CADand FEM analysis Components All of the major machine components,such as engine , hydraulic pumps,hydraulic motors, and control valves areexclusively designed and manufactured Reliable Electronic Devices Exclusively designed electronic deviceshave passed severe testing. Controllers Sensors Connectors Heat resistant wiringDT-Type Connectors DT-type connectors seal tight and havehigher Face SealHydraulic hoses are equipped with O-ringseals versus conventional taper seal, toprovide extended leak-free guard rings protect all thehydraulic cylinders and Sealed TrackPC300LC-7 uses grease sealed tracksfor extended undercarriage Link with StrutPC300LC-7 uses track links with strut providing superb guard ring(Cast iron ring)Piston ringWear ringWaterproof sealWaterproof sealWaterproof sealPC300LC-7 HYDRAULICEXCAVATOR11 Hydraulic Pump Oil Flow Adjustment SystemWhen installing attachments, it is possible to adjust hydraulicpump flow to match attachment ispossible through the LCD (Liquid Crystal Display).

9 Breaker mode selected,one-way rate can be adjusted according to the or E mode selected,two-way flow (thumb,shear)Flow rate can be adjusted according to the work equipment and the attachment areoperated simultaneously, hydraulic flow is distributed tomaintain smooth compound Multi-Function Color MonitorLCD Color Graphics ScreenLCD multi-colormonitor displayscolor graphics aswell as in thedisplay screencontributes toimproved visibilityDisplay screen during nighttime hours(working light ON )Flow rate fine adjustmentdisplay screenFlow rate fine adjustmentdisplay screen1234567891011123456789101112131234 5678910115678910111213 IndicatorsWorking modeService meterTravel speedEngine water temperature gaugeHydraulic oil temperature gaugeFuel gaugeSwing parking brakePreheaterWiperAuto-deceleratorPower modeEconomy modeLifting modeBreaker modeBuzzer cancelSelector switchAuto-deceleratorTravel speed selectionScreen adjustment switchMaintenance modeWiperWindshield washerInput control switches1234 SPECIFICATIONSSWING SYSTEMD rive method.

10 HydrostaticSwing reduction.. Planetary gearSwing circle lubrication.. Grease bathedService brake.. Hydraulic lock Holding brake/Swing lock.. Mechanical disc brakeSwing speed.. rpmSwing torque.. 11386 kg m 82,313 frame.. X-frameTrack frame.. Box-sectionTrack type.. Sealed Track adjuster.. shoes.. 48 each carrier rollers.. 2 each track rollers.. 8 each sideCOOLANT AND LUBRICANTCAPACITY (REFILLING) fuel tank.. 605 ltr160 .. drive, each side.. ltr drive.. ltr tank.. 188 ltr WEIGHT (APPROXIMATE) OPERATING WEIGHT , including 6500 mm 21'3"one-piece boom, 3185 mm10'5" arm, SAE heaped yd3bucket, rated capacity oflubricants, coolant, full fuel tank, operator, and standard .. Komatsu SAA6D114E-3 Type.. Water-cooled, 4-cycle, direct injectionAspiration.. Turbocharged and aftercooledNumber of cylinders.. 6 Bore.. 114 mm "Stroke.. 135 mm "Piston displacement.. ltr 505 in3 HorsepowerSAE J1995.. Gross 194 kW 260 HPISO 9249/SAE J1349.